https://www.bleepingcomputer.com/news/microsoft/windows-10-kb5033372-update-released-with-copilot-for-everyone-20-changes/

Microsoft has released the KB5033372 cumulative update for Windows 10 21H2 and Windows 10 22H2, which includes Copilot for Windows and nineteen other changes to the operating system.

KB5033372 is a mandatory Windows 10 cumulative update containing the December 2023 Patch Tuesday security updates.