Windows 95
Suse Linux
Yoper Linux
Windows XP
Slackware
Windows 10/11
Fedora Linux
"Relapsed" to Windows for a while because I became a graphic designer and running a somewhat current Adobe suite on wine was impossible (it works now).
Slackware has been amazing, but having to built so much stuff from scratch takes too much time nowadays.
And those first Suse years were too rough to keep using it as a daily driver.
I've seen the occasional copyright notice on that site before, it was inevitable.