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</li></ul></nav></div></div></aside><main class="docMainContainer_TBSr"><div class="container padding-top--md padding-bottom--lg"><div class="row"><div class="col docItemCol_z5aJ"><div class="theme-doc-version-banner alert alert--warning margin-bottom--md" role="alert"><div>This is unreleased documentation for <!-- -->Langflow Documentation<!-- --> <b>1.11.x (Next)</b> version.</div><div class="margin-top--md">For up-to-date documentation, see the <b><a href="/get-started-installation">latest version</a></b> (<!-- -->1.10.x<!-- -->).</div></div><div class="docItemContainer_c0TR"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl" aria-label="Breadcrumbs"><ul class="breadcrumbs"><li class="breadcrumbs__item"><a aria-label="Home page" class="breadcrumbs__link" href="/"><svg viewBox="0 0 24 24" aria-hidden="true" focusable="false" role="presentation" class="breadcrumbHomeIcon_xK9p"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">Get started</span></li><li class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link">Install Langflow</span></li></ul></nav><div class="docMetaRow_c2hx"><div class="root_Eutc"><button type="button" class="button_gpNY"><span aria-hidden="true" class="icon_Bm9L"><svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-copy"><rect width="14" height="14" x="8" y="8" rx="2" ry="2"></rect><path d="M4 16c-1.1 0-2-.9-2-2V4c0-1.1.9-2 2-2h10c1.1 0 2 .9 2 2"></path></svg></span><span class="label_LzDG">Copy page</span></button></div><span class="theme-doc-version-badge badge badge--secondary">Version: 1.11.x (Next)</span></div><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>Install Langflow</h1></header><style>[data-ch-theme="github-dark"] { --ch-t-colorScheme: dark;--ch-t-foreground: #c9d1d9;--ch-t-background: #0d1117;--ch-t-lighter-inlineBackground: #0d1117e6;--ch-t-editor-background: #0d1117;--ch-t-editor-foreground: #c9d1d9;--ch-t-editor-lineHighlightBackground: #6e76811a;--ch-t-editor-rangeHighlightBackground: #ffffff0b;--ch-t-editor-infoForeground: #3794FF;--ch-t-editor-selectionBackground: #264F78;--ch-t-focusBorder: #1f6feb;--ch-t-tab-activeBackground: #0d1117;--ch-t-tab-activeForeground: #c9d1d9;--ch-t-tab-inactiveBackground: #010409;--ch-t-tab-inactiveForeground: #8b949e;--ch-t-tab-border: #30363d;--ch-t-tab-activeBorder: #0d1117;--ch-t-editorGroup-border: #30363d;--ch-t-editorGroupHeader-tabsBackground: #010409;--ch-t-editorLineNumber-foreground: #6e7681;--ch-t-input-background: #0d1117;--ch-t-input-foreground: #c9d1d9;--ch-t-input-border: #30363d;--ch-t-icon-foreground: #8b949e;--ch-t-sideBar-background: #010409;--ch-t-sideBar-foreground: #c9d1d9;--ch-t-sideBar-border: #30363d;--ch-t-list-activeSelectionBackground: #6e768166;--ch-t-list-activeSelectionForeground: #c9d1d9;--ch-t-list-hoverBackground: #6e76811a;--ch-t-list-hoverForeground: #c9d1d9; }</style>
<!-- -->
<p>Langflow can be installed in multiple ways. Choose an option below to jump to the steps.</p>
<div class="lf-cards" style="grid-template-columns:repeat(2, minmax(0, 1fr))"><a href="#install-and-run-langflow-desktop" class="lf-card-link"><div class="lf-card"><div class="lf-card-header"><div class="lf-card-icon"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-monitor lf-inline-icon" aria-hidden="true" focusable="false" role="presentation"><rect width="20" height="14" x="2" y="3" rx="2"></rect><line x1="8" x2="16" y1="21" y2="21"></line><line x1="12" x2="12" y1="17" y2="21"></line></svg></div><h4 class="lf-card-title">Langflow Desktop (recommended)</h4></div><div class="lf-card-body"><p>Standalone app with dependency management and simple upgrades.</p></div><div class="lf-card-arrow"><svg width="16" height="16" viewBox="0 0 16 16" fill="none" aria-hidden="true" focusable="false" role="presentation"><path d="M6 3L11 8L6 13" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path></svg></div></div></a><a href="#install-and-run-langflow-docker" class="lf-card-link"><div class="lf-card"><div class="lf-card-header"><div class="lf-card-icon"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-container lf-inline-icon" aria-hidden="true" focusable="false" role="presentation"><path d="M22 7.7c0-.6-.4-1.2-.8-1.5l-6.3-3.9a1.72 1.72 0 0 0-1.7 0l-10.3 6c-.5.2-.9.8-.9 1.4v6.6c0 .5.4 1.2.8 1.5l6.3 3.9a1.72 1.72 0 0 0 1.7 0l10.3-6c.5-.3.9-1 .9-1.5Z"></path><path d="M10 21.9V14L2.1 9.1"></path><path d="m10 14 11.9-6.9"></path><path d="M14 19.8v-8.1"></path><path d="M18 17.5V9.4"></path></svg></div><h4 class="lf-card-title">Docker</h4></div><div class="lf-card-body"><p>Run Langflow in a container in isolation.</p></div><div class="lf-card-arrow"><svg width="16" height="16" viewBox="0 0 16 16" fill="none" aria-hidden="true" focusable="false" role="presentation"><path d="M6 3L11 8L6 13" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path></svg></div></div></a><a href="#install-and-run-the-langflow-oss-python-package" class="lf-card-link"><div class="lf-card"><div class="lf-card-header"><div class="lf-card-icon"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-package lf-inline-icon" aria-hidden="true" focusable="false" role="presentation"><path d="M11 21.73a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16V8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73z"></path><path d="M12 22V12"></path><path d="m3.3 7 7.703 4.734a2 2 0 0 0 1.994 0L20.7 7"></path><path d="m7.5 4.27 9 5.15"></path></svg></div><h4 class="lf-card-title">Python package</h4></div><div class="lf-card-body"><p>Full control over environment, dependencies, and versioning.</p></div><div class="lf-card-arrow"><svg width="16" height="16" viewBox="0 0 16 16" fill="none" aria-hidden="true" focusable="false" role="presentation"><path d="M6 3L11 8L6 13" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path></svg></div></div></a><a href="/contributing-how-to-contribute#install-langflow-from-source" class="lf-card-link"><div class="lf-card"><div class="lf-card-header"><div class="lf-card-icon"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-git-fork lf-inline-icon" aria-hidden="true" focusable="false" role="presentation"><circle cx="12" cy="18" r="3"></circle><circle cx="6" cy="6" r="3"></circle><circle cx="18" cy="6" r="3"></circle><path d="M18 9v2c0 .6-.4 1-1 1H7c-.6 0-1-.4-1-1V9"></path><path d="M12 12v3"></path></svg></div><h4 class="lf-card-title">Install from source</h4></div><div class="lf-card-body"><p>Contribute to Langflow or work from a local clone.</p></div><div class="lf-card-arrow"><svg width="16" height="16" viewBox="0 0 16 16" fill="none" aria-hidden="true" focusable="false" role="presentation"><path d="M6 3L11 8L6 13" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path></svg></div></div></a></div>
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id="install-and-run-langflow-desktop">Install and run Langflow Desktop<a href="#install-and-run-langflow-desktop" class="hash-link" aria-label="Direct link to Install and run Langflow Desktop" title="Direct link to Install and run Langflow Desktop" translate="no"></a></h2>
<p>Langflow Desktop is a desktop version of Langflow that simplifies dependency management and upgrades.
However, some features aren&#x27;t available for Langflow Desktop, such as the <strong>Shareable Playground</strong> and <strong>Voice Mode</strong>.</p>
<div class="theme-tabs-container tabs-container tabList__CuJ"><ul role="tablist" aria-orientation="horizontal" class="tabs"><li role="tab" tabindex="0" aria-selected="true" class="tabs__item tabItem_LNqP tabs__item--active">macOS</li><li role="tab" tabindex="-1" aria-selected="false" class="tabs__item tabItem_LNqP">Windows</li></ul><div class="margin-top--md"><div role="tabpanel" class="tabItem_Ymn6"><p>Langflow Desktop requires macOS 13 or later.</p><ol>
<li class="">Navigate to <a href="https://www.langflow.org/desktop" target="_blank" rel="noopener noreferrer" class="">Langflow Desktop</a>.</li>
<li class="">Click <strong>Download Langflow</strong>, enter your contact information, and then click <strong>Download</strong>.</li>
<li class="">Mount and install the Langflow application.</li>
<li class="">When the installation completes, open the Langflow application, and then create your first flow with the <a class="" href="/get-started-quickstart">Quickstart</a>.</li>
</ol></div><div role="tabpanel" class="tabItem_Ymn6" hidden=""><ol>
<li class="">
<p>Navigate to <a href="https://www.langflow.org/desktop" target="_blank" rel="noopener noreferrer" class="">Langflow Desktop</a>.</p>
</li>
<li class="">
<p>Click <strong>Download Langflow</strong>, enter your contact information, and then click <strong>Download</strong>.</p>
</li>
<li class="">
<p>Open the <strong>File Explorer</strong>, and then navigate to <strong>Downloads</strong>.</p>
</li>
<li class="">
<p>Double-click the downloaded <code>.msi</code> file, and then use the install wizard to install Langflow Desktop.</p>
<div class="theme-admonition theme-admonition-tip admonition_xJq3 alert alert--success"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 12 16" role="img" aria-label="Tip icon" focusable="false"><path fill-rule="evenodd" d="M6.5 0C3.48 0 1 2.19 1 5c0 .92.55 2.25 1 3 1.34 2.25 1.78 2.78 2 4v1h5v-1c.22-1.22.66-1.75 2-4 .45-.75 1-2.08 1-3 0-2.81-2.48-5-5.5-5zm3.64 7.48c-.25.44-.47.8-.67 1.11-.86 1.41-1.25 2.06-1.45 3.23-.02.05-.02.11-.02.17H5c0-.06 0-.13-.02-.17-.2-1.17-.59-1.83-1.45-3.23-.2-.31-.42-.67-.67-1.11C2.44 6.78 2 5.65 2 5c0-2.2 2.02-4 4.5-4 1.22 0 2.36.42 3.22 1.19C10.55 2.94 11 3.94 11 5c0 .66-.44 1.78-.86 2.48zM4 14h5c-.23 1.14-1.3 2-2.5 2s-2.27-.86-2.5-2z"></path></svg></span>tip</div><div class="admonitionContent_BuS1"><p>Windows installations of Langflow Desktop require a C++ compiler that may not be present on your system. If you receive a <code>C++ Build Tools Required!</code> error, follow the on-screen prompt to install Microsoft C++ Build Tools, or <a href="https://visualstudio.microsoft.com/downloads/" target="_blank" rel="noopener noreferrer" class="">install Microsoft Visual Studio</a>.</p></div></div>
</li>
<li class="">
<p>When the installation completes, open the Langflow application, and then create your first flow with the <a class="" href="/get-started-quickstart">Quickstart</a>.</p>
</li>
</ol></div></div></div>
<p>For upgrade information, see the <a class="" href="/release-notes">Release notes</a>.</p>
<p>To manage dependencies in Langflow Desktop, see <a class="" href="/install-custom-dependencies#langflow-desktop">Install custom dependencies in Langflow Desktop</a>.</p>
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id="install-and-run-langflow-docker">Install and run Langflow with Docker<a href="#install-and-run-langflow-docker" class="hash-link" aria-label="Direct link to Install and run Langflow with Docker" title="Direct link to Install and run Langflow with Docker" translate="no"></a></h2>
<p>You can use the Langflow Docker image to start a Langflow container.
For more information, see <a class="" href="/deployment-docker">Deploy Langflow on Docker</a>.</p>
<ol>
<li class="">
<p>Install and start <a href="https://docs.docker.com/" target="_blank" rel="noopener noreferrer" class="">Docker</a>.</p>
</li>
<li class="">
<p>Pull the latest <a href="https://hub.docker.com/r/langflowai/langflow" target="_blank" rel="noopener noreferrer" class="">Langflow Docker image</a> and start it:</p>
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>docker run -p 7860:7860 langflowai/langflow:latest</span></div></div><br></code></div></div>
</li>
<li class="">
<p>To access Langflow, navigate to <code>http://localhost:7860/</code>.</p>
</li>
<li class="">
<p>Create your first flow with the <a class="" href="/get-started-quickstart">Quickstart</a>.</p>
</li>
</ol>
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id="install-and-run-the-langflow-oss-python-package">Install and run the Langflow OSS Python package<a href="#install-and-run-the-langflow-oss-python-package" class="hash-link" aria-label="Direct link to Install and run the Langflow OSS Python package" title="Direct link to Install and run the Langflow OSS Python package" translate="no"></a></h2>
<ol>
<li class="">
<p>Make sure you have the required dependencies and infrastructure:</p>
<ul>
<li class=""><a href="https://www.python.org/downloads/release/python-3100/" target="_blank" rel="noopener noreferrer" class="">Python</a> version 3.10 to 3.14</li>
<li class=""><a href="https://docs.astral.sh/uv/getting-started/installation/" target="_blank" rel="noopener noreferrer" class="">uv</a></li>
<li class="">Sufficient infrastructure:<!-- -->
<ul>
<li class="">Minimum: Dual-core CPU and 2 GB RAM</li>
<li class="">Recommended: Multi-core CPU and at least 4 GB RAM</li>
</ul>
</li>
<li class="">Browser:<!-- -->
<ul>
<li class="">Google Chrome is recommended but not required</li>
</ul>
</li>
</ul>
</li>
<li class="">
<p>Create a virtual environment with <a href="https://docs.astral.sh/uv/pip/environments" target="_blank" rel="noopener noreferrer" class="">uv</a>.</p>
<details class="details_lb9f alert alert--info details_b_Ee" data-collapsed="true"><summary>Need help with virtual environments?</summary><div><div class="collapsibleContent_i85q"><p>Virtual environments ensure Langflow is installed in an isolated, fresh environment.
To create a new virtual environment, do the following.</p><div class="theme-tabs-container tabs-container tabList__CuJ"><ul role="tablist" aria-orientation="horizontal" class="tabs"><li role="tab" tabindex="0" aria-selected="true" class="tabs__item tabItem_LNqP tabs__item--active">Linux or macOS</li><li role="tab" tabindex="-1" aria-selected="false" class="tabs__item tabItem_LNqP">Windows</li></ul><div class="margin-top--md"><div role="tabpanel" class="tabItem_Ymn6"><ol>
<li class="">
<p>Navigate to where you want your virtual environment to be created, and then create it with <code>uv</code>:</p>
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>uv venv VENV_NAME</span></div></div><br></code></div></div>
<p>Replace <code>VENV_NAME</code> with a name for your virtual environment.</p>
</li>
<li class="">
<p>Start the virtual environment:</p>
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>source VENV_NAME/bin/activate</span></div></div><br></code></div></div>
<p>Your shell&#x27;s prompt changes to display that you&#x27;re currently working in a virtual environment:</p>
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>(VENV_NAME) ➜ langflow git:(main) ✗</span></div></div><br></code></div></div>
</li>
<li class="">
<p>To deactivate the virtual environment and return to your regular shell, type <code>deactivate</code>.</p>
<p>When activated, the virtual environment temporarily modifies your <code>PATH</code> variable to prioritize packages installed within the virtual environment.
To avoid conflicts with other projects, it&#x27;s a good idea to deactivate your virtual environment when you&#x27;re done working in it.</p>
<p>To delete the virtual environment, type <code>rm -rf VENV_NAME</code>.
This completely removes the virtual environment directory and its contents.</p>
</li>
</ol></div><div role="tabpanel" class="tabItem_Ymn6" hidden=""><ol>
<li class="">
<p>Navigate to where you want your virtual environment to be created, and create it with <code>uv</code>.</p>
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>uv venv VENV_NAME</span></div></div><br></code></div></div>
<p>Replace <code>VENV_NAME</code> with a name for your virtual environment.</p>
</li>
<li class="">
<p>Start the virtual environment:</p>
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>VENV_NAME\Scripts\activate</span></div></div><br></code></div></div>
<p>Your shell&#x27;s prompt changes to display that you&#x27;re currently working in a virtual environment:</p>
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>(VENV_NAME) PS C:/users/username/langflow-dir&gt;</span></div></div><br></code></div></div>
</li>
<li class="">
<p>To deactivate the virtual environment and return to your regular shell, type <code>deactivate</code>.</p>
<p>When activated, the virtual environment temporarily modifies your <code>PATH</code> variable to prioritize packages installed within the virtual environment.
To avoid conflicts with other projects, it&#x27;s a good idea to deactivate your virtual environment when you&#x27;re done working in it.</p>
<p>To delete the virtual environment, type <code>Remove-Item VENV_NAME</code>.
This completely removes the virtual environment directory and its contents.</p>
</li>
</ol></div></div></div></div></div></details>
</li>
<li class="">
<p>In your virtual environment, install Langflow:</p>
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>uv pip install langflow</span></div></div><br></code></div></div>
</li>
<li class="">
<p>Start Langflow:</p>
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>uv run langflow run</span></div></div><br></code></div></div>
<p>It can take a few minutes for Langflow to start.</p>
</li>
<li class="">
<p>To confirm that a local Langflow instance is running, navigate to the default Langflow URL <code>http://127.0.0.1:7860</code>.</p>
</li>
<li class="">
<p>Create your first flow with the <a class="" href="/get-started-quickstart">Quickstart</a>.</p>
</li>
</ol>
<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id="manage-the-langflow-oss-version">Manage the Langflow OSS version<a href="#manage-the-langflow-oss-version" class="hash-link" aria-label="Direct link to Manage the Langflow OSS version" title="Direct link to Manage the Langflow OSS version" translate="no"></a></h3>
<p>To upgrade Langflow to the latest version, run <code>uv pip install langflow -U</code>.
However, the Langflow team recommends taking steps to backup your existing installation before you upgrade Langflow.
For more information, see <a class="" href="/release-notes#prepare-to-upgrade">Prepare to upgrade</a>.</p>
<p>To install a specific version of the Langflow package, add the required version to the command, such as <code>uv pip install langflow==1.4.22</code>.</p>
<p>To reinstall Langflow and all of its dependencies, run <code>uv pip install langflow --force-reinstall</code>.</p>
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id="next-steps">Next steps<a href="#next-steps" class="hash-link" aria-label="Direct link to Next steps" title="Direct link to Next steps" translate="no"></a></h2>
<ul>
<li class=""><a class="" href="/get-started-quickstart">Quickstart</a>: Build and run your first flow in minutes.</li>
<li class=""><a class="" href="/concepts-flows">Build flows</a>: Learn about building flows.</li>
<li class=""><a class="" href="/troubleshoot">Troubleshoot Langflow</a>: Get help with common Langflow install and startup issues.</li>
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