ghcup-hs/docs/install.md

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# Getting started
Let's get started....
## Installation
The following commands will download the `ghcup` binary into `~/.ghcup/bin` (or `C:\ghcup\bin` on windows) and then
run it to interactively install the [Haskell Toolchain](#supported-tools). These commands should be run as **non-root/non-admin
user**.
For Linux, macOS, FreeBSD or Windows Subsystem 2 for Linux, run this in a terminal:
```sh
curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh
```
For Windows, run this in a PowerShell session:
```psh
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
```
Advanced users may want to perform a [manual installation](#manual-install) and GPG verify the binaries.
## Supported tools
GHCup supports the following tools, which are also known as the **Haskell Toolchain**:
1. [GHC](https://www.haskell.org/ghc/)
2. [cabal-install](https://cabal.readthedocs.io/en/latest/)
3. [haskell-language-server](https://haskell-language-server.readthedocs.io/en/latest/)
4. [stack](https://docs.haskellstack.org/en/latest/README/)
## Supported platforms
This list may not be exhaustive and specifies support for bindists only.
| Platform | Architecture | ghcup | GHC | cabal | HLS | stack |
| ------ | ------ | ------ | ------ | ------ | ------ | ------ |
| Windows 7 | amd64 | ❔ | ✅ | ✅ | ✅ | ✅ |
| Windows 10 | amd64 | ✅ | ✅ | ✅ | ✅ | ✅ |
| Windows Server 2016 | amd64 | ✅ | ✅ | ✅ | ✅ | ✅ |
| Windows Server 2019 | amd64 | ✅ | ✅ | ✅ | ✅ | ✅ |
| Windows Server 2022 | amd64 | ✅ | ✅ | ✅ | ✅ | ✅ |
| Windows WSL1 | amd64 | ❌ | ❔ | ❔ | ❔ | ❔ |
| Windows WSL2 | amd64 | ✅ | ✅ | ✅ | ✅ | ✅ |
| MacOS >=10.13 | amd64 | ✅ | ✅ | ✅ | ✅ | ✅ |
| MacOS <10.13 | amd64 | | | | | |
| MacOS | aarch64 | | | | | |
| FreeBSD | amd64 | | | | | |
| Linux generic | x86 | | | | | |
| Linux generic | amd64 | | | | | |
| Linux generic | aarch64 | | | | | |
| Linux generic | armv7 | | | | | |
### Windows 7
May or may not work, several issues:
* https://gitlab.haskell.org/haskell/ghcup-hs/-/issues/140
* https://gitlab.haskell.org/haskell/ghcup-hs/-/issues/197
### WSL1
Unsupported. GHC may or may not work. Upgrade to WSL2.
### MacOS <13
Not supported. Would require separate binaries, since >=13 binaries are incompatible.
Please upgrade.
### MacOS aarch64
HLS bindists are still experimental. Stack is theoretically supported, but has no binaries yet.
### FreeBSD
Lacks some upstream bindists and may need compat libs, since most bindists are built on FreeBSD-12.
HLS bindists are experimental.
### Linux ARMv7/AARCH64
Lower availability of bindists. HLS only has experimental ones. Stack not supported currently.
## Manual install
Download the binary for your platform at [https://downloads.haskell.org/~ghcup/](https://downloads.haskell.org/~ghcup/)
and place it into your `PATH` anywhere.
If you want to GPG verify the binaries, import the following key first: `7784930957807690A66EBDBE3786C5262ECB4A3F`.
Then adjust your `PATH` in `~/.bashrc` (or similar, depending on your shell) like so:
```sh
export PATH="$HOME/.cabal/bin:$HOME/.ghcup/bin:$PATH"
```
## Vim integration
See [ghcup.vim](https://github.com/hasufell/ghcup.vim).