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# ![](./haskell_logo.png){: .main-logo style="width:100px"} GHCup

GHCup is an installer for the general purpose language [Haskell](https://www.haskell.org/).

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----

GHCup makes it easy to install specific versions of GHC on GNU/Linux,
macOS (aka Darwin), FreeBSD and Windows and can also bootstrap a fresh [Haskell developer environment](./install/#supported-tools) from scratch.
It follows the unix UNIX philosophy of [do one thing and do it well](https://en.wikipedia.org/wiki/Unix_philosophy#Do_One_Thing_and_Do_It_Well). Similar in scope to [rustup](https://github.com/rust-lang-nursery/rustup.rs), [pyenv](https://github.com/pyenv/pyenv) and [jenv](http://www.jenv.be).

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<a href="#quick-install" class="btn btn-primary" role="button">Quick Install</a>
<a href="install/" class="btn btn-primary" role="button">Getting Started</a>
<a href="guide/" class="btn btn-primary" role="button">User Guide</a>
<a href="https://gitlab.haskell.org/haskell/ghcup-hs/-/issues" class="btn btn-primary" role="button">Issue tracker</a>
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[![GHCup](./ghcup.gif){: .center style="width:700px"}](install#installation)

<h2 class="text-center" id="quick-install">Quick Install<a class="headerlink" href="#quick-install" title="Permanent link"></a>
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### Linux, macOS, FreeBSD or [WSL2](https://docs.microsoft.com/en-us/windows/wsl/)

Run the following in a terminal (as a non-root user):

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	<pre><span class="ghcup-command" id="ghcup-command-linux">curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh</span></pre>
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### Windows

Run the following in a PowerShell session (as a non-admin user):

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	<pre><span class="ghcup-command" id="ghcup-command-windows">Set-ExecutionPolicy Bypass -Scope Process -Force;[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072;Invoke-Command -ScriptBlock ([ScriptBlock]::Create((Invoke-WebRequest https://www.haskell.org/ghcup/sh/bootstrap-haskell.ps1 -UseBasicParsing))) -ArgumentList $true</span></pre>
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