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<!-- -->
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<p>Langflow can be installed in multiple ways:</p>
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<ul>
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<li>
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<p><a href="#install-and-run-langflow-desktop"><strong>Langflow Desktop (Recommended)</strong></a>: Download and install the standalone desktop application for the least complicated setup experience.
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This option includes dependency management and facilitated upgrades.</p>
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</li>
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<li>
|
||
<p><a href="#install-and-run-langflow-docker"><strong>Docker</strong></a>: Pull and run the Langflow Docker image to start a Langflow container and run Langflow in isolation.</p>
|
||
</li>
|
||
<li>
|
||
<p><a href="#install-and-run-the-langflow-oss-python-package"><strong>Python package</strong></a>: Install and run the Langflow OSS Python package.
|
||
This option offers more control over the environment, dependencies, and versioning.</p>
|
||
</li>
|
||
<li>
|
||
<p><a href="/contributing-how-to-contribute#install-langflow-from-source"><strong>Install from source</strong></a>: Use this option if you want to contribute to the Langflow codebase or documentation.</p>
|
||
</li>
|
||
</ul>
|
||
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" 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"></a></h2>
|
||
<p>Langflow Desktop is a desktop version of Langflow that simplifies dependency management and upgrades.
|
||
However, some features aren't available for Langflow Desktop, such as the <strong>Shareable Playground</strong>.</p>
|
||
<div class="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>Navigate to <a href="https://www.langflow.org/desktop" target="_blank" rel="noopener noreferrer">Langflow Desktop</a>.</li>
|
||
<li>Click <strong>Download Langflow</strong>, enter your contact information, and then click <strong>Download</strong>.</li>
|
||
<li>Mount and install the Langflow application.</li>
|
||
<li>When the installation completes, open the Langflow application, and then create your first flow with the <a href="/get-started-quickstart">Quickstart</a>.</li>
|
||
</ol></div><div role="tabpanel" class="tabItem_Ymn6" hidden=""><ol>
|
||
<li>
|
||
<p>Navigate to <a href="https://www.langflow.org/desktop" target="_blank" rel="noopener noreferrer">Langflow Desktop</a>.</p>
|
||
</li>
|
||
<li>
|
||
<p>Click <strong>Download Langflow</strong>, enter your contact information, and then click <strong>Download</strong>.</p>
|
||
</li>
|
||
<li>
|
||
<p>Open the <strong>File Explorer</strong>, and then navigate to <strong>Downloads</strong>.</p>
|
||
</li>
|
||
<li>
|
||
<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-important admonition_xJq3 alert alert--info"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M7 2.3c3.14 0 5.7 2.56 5.7 5.7s-2.56 5.7-5.7 5.7A5.71 5.71 0 0 1 1.3 8c0-3.14 2.56-5.7 5.7-5.7zM7 1C3.14 1 0 4.14 0 8s3.14 7 7 7 7-3.14 7-7-3.14-7-7-7zm1 3H6v5h2V4zm0 6H6v2h2v-2z"></path></svg></span>important</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">install Microsoft Visual Studio</a>.</p></div></div>
|
||
</li>
|
||
<li>
|
||
<p>When the installation completes, open the Langflow application, and then create your first flow with the <a href="/get-started-quickstart">Quickstart</a>.</p>
|
||
</li>
|
||
</ol></div></div></div>
|
||
<p>For upgrade information, see the <a href="/release-notes">Release notes</a>.</p>
|
||
<p>To manage dependencies in Langflow Desktop, see <a href="/install-custom-dependencies#langflow-desktop">Install custom dependencies in Langflow Desktop</a>.</p>
|
||
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" 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"></a></h2>
|
||
<p>You can use the Langflow Docker image to start a Langflow container.
|
||
For more information, see <a href="/deployment-docker">Deploy Langflow on Docker</a>.</p>
|
||
<ol>
|
||
<li>
|
||
<p>Install and start <a href="https://docs.docker.com/" target="_blank" rel="noopener noreferrer">Docker</a>.</p>
|
||
</li>
|
||
<li>
|
||
<p>Pull the latest <a href="https://hub.docker.com/r/langflowai/langflow" target="_blank" rel="noopener noreferrer">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>
|
||
<p>To access Langflow, navigate to <code>http://localhost:7860/</code>.</p>
|
||
</li>
|
||
<li>
|
||
<p>Create your first flow with the <a href="/get-started-quickstart">Quickstart</a>.</p>
|
||
</li>
|
||
</ol>
|
||
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" 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"></a></h2>
|
||
<ol>
|
||
<li>
|
||
<p>Make sure you have the required dependencies and infrastructure:</p>
|
||
<ul>
|
||
<li><a href="https://www.python.org/downloads/release/python-3100/" target="_blank" rel="noopener noreferrer">Python</a>
|
||
<ul>
|
||
<li>macOS and Linux: Version 3.10 to 3.13</li>
|
||
<li>Windows: Version 3.10 to 3.12</li>
|
||
</ul>
|
||
</li>
|
||
<li><a href="https://docs.astral.sh/uv/getting-started/installation/" target="_blank" rel="noopener noreferrer">uv</a></li>
|
||
<li>Sufficient infrastructure:<!-- -->
|
||
<ul>
|
||
<li>Minimum: Dual-core CPU and 2 GB RAM</li>
|
||
<li>Recommended: Multi-core CPU and at least 4 GB RAM</li>
|
||
</ul>
|
||
</li>
|
||
</ul>
|
||
</li>
|
||
<li>
|
||
<p>Create a virtual environment with <a href="https://docs.astral.sh/uv/pip/environments" target="_blank" rel="noopener noreferrer">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="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>
|
||
<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>
|
||
<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's prompt changes to display that you'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>
|
||
<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's a good idea to deactivate your virtual environment when you'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>
|
||
<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>
|
||
<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's prompt changes to display that you'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></span></div></div><br></code></div></div>
|
||
</li>
|
||
<li>
|
||
<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's a good idea to deactivate your virtual environment when you'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>
|
||
<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>
|
||
<p>To install a specific version of the Langflow package by adding the required version to the command, such as <code>uv pip install langflow==1.4.22</code>.</p>
|
||
<details class="details_lb9f alert alert--info details_b_Ee" data-collapsed="true"><summary>Reinstall or upgrade Langflow</summary><div><div class="collapsibleContent_i85q"><p>To reinstall Langflow and all of its dependencies, run <code>uv pip install langflow --force-reinstall</code>.</p><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 href="/release-notes#prepare-to-upgrade">Prepare to upgrade</a>.</p></div></div></details>
|
||
</li>
|
||
<li>
|
||
<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>
|
||
<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>
|
||
<p>Create your first flow with the <a href="/get-started-quickstart">Quickstart</a>.</p>
|
||
</li>
|
||
</ol>
|
||
<p>For upgrade information, see the <a href="/release-notes">Release notes</a>.</p>
|
||
<p>For information about optional dependency groups and support for custom dependencies to extend Langflow OSS functionality, see <a href="/install-custom-dependencies">Install custom dependencies</a>.</p>
|
||
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" 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"></a></h2>
|
||
<ul>
|
||
<li><a href="/get-started-quickstart">Quickstart</a>: Build and run your first flow in minutes.</li>
|
||
<li><a href="/concepts-flows">Build flows</a>: Learn about building flows.</li>
|
||
<li><a href="/troubleshoot">Troubleshoot Langflow</a>: Get help with common Langflow install and startup issues.</li>
|
||
</ul></div></article><nav class="docusaurus-mt-lg pagination-nav" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/about-langflow"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">About Langflow</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/get-started-quickstart"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Quickstart</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_bqdL thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#install-and-run-langflow-desktop" class="table-of-contents__link toc-highlight">Install and run Langflow Desktop</a></li><li><a href="#install-and-run-langflow-docker" class="table-of-contents__link toc-highlight">Install and run Langflow with Docker</a></li><li><a href="#install-and-run-the-langflow-oss-python-package" class="table-of-contents__link toc-highlight">Install and run the Langflow OSS Python package</a></li><li><a href="#next-steps" class="table-of-contents__link toc-highlight">Next steps</a></li></ul></div></div></div></div></main></div></div></div><footer class="theme-layout-footer footer"><div class="container container-fluid"><div class="row footer__links"><div class="theme-layout-footer-column col footer__col"><div class="footer__title"></div><ul class="footer__items clean-list"><li class="footer__item"><div class="footer-links">
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