Debian releases are more similar to Service Packs on Windows.
Windows releases are entirely different products.
There are changes to the defaults, sometimes, but they're just that: changes to the defaults. If you're upgrading your existing install, they won't affect you.
For example: Debian switched to Gnome as its default DE a couple years ago. It used to be XFCE. However, if you already had a system with XFCE, if wouldn't go and replace it for you.
On Windows side, meanwhile, when Microsoft decide to change up the DE, you get the changes, whether you like it or not. Remember Windows 8? It's not like those who upgraded from Windows 7 got to keep their Aero theme and Start Menu.
Mininux@sh.itjust.works 11 months ago
Yeah, but there is almost never a need for keeping an older version, unline for Windows 10 since win11 has ridiculous system requirements