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2b3a. Install Haskell on Windows Natively

You’re probably better using Haskell on WSL2, as it is much faster, but if for any reason you prefer running natively on Windows:

Just use GHCup. Use the official command, which would be a variation of:

Terminal window
Set-ExecutionPolicy Bypass -Scope Process -Force;[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; try { & ([ScriptBlock]::Create((Invoke-WebRequest https://www.haskell.org/ghcup/sh/bootstrap-haskell.ps1 -UseBasicParsing))) -Interactive -DisableCurl } catch { Write-Error $_ }

Install to the default locations to avoid conflicts and whatsoever.

It gets stuck in Merging file tree from "C:/ghcup\tmp\ghcup-d97ad327d759c2c1\ghc-9.4.8-x86_64-unknown-mingw32" to "C:/ghcup\ghc\9.4.8" but wait a while, for me it took 15 minutes.