It's free software and it's the best there is. Even a commercial software package that you'd pay 100's of dollars for would be worse in the compatibility dimension that the poster is lamenting.
One advantage of Blender being open source is that you can use any previous version forever. And the previous versions are quite good!
1) You probably need just a budget but contemporary graphics card, under $100, to improve your computer from implausibly old (and therefore unsupported) to very cheap (but good enough for Blender), raising the question of what light computer usage has allowed you to postpone this and other upgrades for years.
2) You want to use vintage equipment lying around, not a "normal" computer, raising the question of whether you are interested in practical use or in attempting stunts.