C:\Windows\AutoKMS and C:\ProgramData\Windows ToolkitKMS-Renewal or WToolkitslmgr /upk to uninstall product keysC:\Windows\System32\drivers\etc\hosts)For developers still maintaining UWP apps, Toolkit v25 serves as a compelling reason to begin the migration to WinUI 3. For those already on WinUI 3, this toolkit is an essential addition to the arsenal.