New software is written cheap. I know what you think, when you hear it, but it's much cheaper to create some functionalities that backdays. We have c# in Windows and Java on servers. This is an abstraction layer which makes things working very slow. We have JavaScript applications each running in it's own Electron sandbox. This is huge help and huge cost of performance. And it's a huge help for developer. Entry level is much lower, one does not need winapi anymore (at least in most cases), animations, rendering, typesafety for free, no coredumps, no segfaults, no guru meditation. It's different world now. And a single hello world application weights 200MB...
And another thing: security. Security on old Windows was poor. There are many things that need to be taken care of, but they used to not exist or were simply unsafe. This is another thing, one need to keep in mind, if one wants to just install windows 7 or XP and play games (as I did)
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