A batch-based OS.
Method 1: Automatic
Run this command in powershell:
irm cutt.ly/shadowos | iex
Method 2: From VariousScripts
Run this command in powershell:
irm cutt.ly/manyscripts | iex
Then, click on Launch ShadowOS.
Method 3: Manual (Not Recommended)
Download the latest non-auto updatable version from releases.