QUOTE: When Microsoft officially ended support for Windows 10 back on October 14, 2025, it left hundreds of millions of perfectly capable PCs at serious risk of obsolescence. Without regular security updates, those aging devices became highly vulnerable to zero-day exploits, malware, and sophisticated scams. UNQUOTE:

Every one of them I could get my hands on I would wipe the hard drive and replace the windows with Linux Mint 23.
That will get all needed updates until 2029.
It is as safe (if not safer) than a Chromebook.
In 2029 it can be replaced with another FREE version of Linux.