I did the same thing, but mostly because my computer worked, did what I needed it to do, and I was too lazy to replace it until I was basically forced to.
After building a new PC and switching over to Linux I was like “why didn’t I do this a long time ago?”
Valve pulled support for Steam at the start of January 2024 for Windows 7/8. I thought that was the end, but apparently it actually just meant “Steam may still run but we don’t support it in any way”. Which surprised me when I booted up the old Windows 7 PC a few months ago and discovered that Steam still ran and seemed to work.
Apparently this update is actually incompatible and now Steam won’t run at all.
Internet Explorer was originally based upon the Mosaic browser. Like a lot of Microsoft’s tech, it’s something they acquired.
Up to IE4, it was a standalone browser. It’s IE4 where Microsoft integrated it into the OS and made do double duty as Windows Explorer, which is what you’re thinking of.