Improve instructions for Windows
@@ -29,7 +29,10 @@ sh -ci "$(curl -fsSL https://storage.googleapis.com/flow-cli/install.sh)"
#### Windows
-_This installation method only works on x86-64._
+_This installation method only works on Windows 10 and 8.1, x86-64._
+
+1. Open PowerShell ([Instructions](https://docs.microsoft.com/en-us/powershell/scripting/install/installing-windows-powershell?view=powershell-7#finding-powershell-in-windows-10-81-80-and-7))
+2. In PowerShell, run:
```powershell
iex "& { $(irm 'https://storage.googleapis.com/flow-cli/install.ps1') }"
