Microsoft is upping the pressure on [hardware-eligible] Win10 users to update to Win11 sooner than later, now alleging that the free update may be available "for a limited time only".
https://techcommunity.microsoft.com/blog/nonprofittechies/free-upgrade-to-windows-11-for-a-limited-time-only/4275494
Reminder: Win10 goes "End of Life" (EOL) as of October 14th, 2025