Windows 12
Microsoft is expected to release a beta or alpha version of its next operating system, Windows 12, in March 2023 with the final version expected to be released sometime in 2024.
Windows 12 news

Also, heads up, Windows 11 testers: you may need to reinstall your OS if you don't want to be shifted over to testing the next incarnation of Windows.

Windows 12 is rumored to be coming in late 2024, and a new Intel next-gen Meteor Lake CPU leak is stating that hardware support is already there.