The CLI is trying to download the tailwind cli from Github and is switching on the architecture of the machine. However, they do not have an ARM executable and is causing a failure on new Windows ARM machines
https://github.com/rozumak/tailwindcss-dotnet/blob/main/src/tailwindcss-dotnet/Cli/Upstream.cs#L15
The fix would be to simply remove this line and use the X64 architecture each time