Update generated README

Author: Keyfactor

README.md

@@ -27,13 +27,22 @@ Keyfactor Command Utility (kfutil) is open source and there is **no SLA** for th
 
 ### Installation:
 
+#### Linux/MacOS
 ```bash
 curl -fsSL -o get-kfutil.sh https://raw.githubusercontent.com/Keyfactor/kfutil/main/install.sh
 chmod +x get-kfutil.sh
 # Install kfutil to $HOME/.local/bin. Use -h for help and examples.
 ./get-kfutil.sh
 ````
 
+#### Windows (or Linux/MacOS if PowerShell is preferred)
+```powershell
+Invoke-WebRequest -Uri "https://raw.githubusercontent.com/Keyfactor/kfutil/main/install.ps1" -OutFile "install.ps1"
+# Install kfutil to $HOME/AppData/Local/Microsoft/WindowsApps.
+# Use Get-Help .\install.ps1 -Full for help and examples.
+.\install.ps1
+```
+
 ### Environmental Variables
 
 All the variables listed below need to be set in your environment. The `kfutil` command will look for these variables