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I had a similar experience.

I was using Linux almost exclusively back in 2011. The last thing I was doing in Windows, in a Virtual Machine, was Stamps.com for my Chant CD business. But that moved to the web, and so then I was 100% Linux.

I am what you'd call a power user -- I need LOTS of software and I use my desktop PC for so much. I burn backup blu-ray DVDs, use video editing software, photo editing, programming IDEs, plus all the usual online stuff -- FTP program, web browsers (a variety of these), e-mail client, mass e-mailing plugin, etc. And then there's the office stuff -- Libreoffice provides a complete replacement for Microsoft Office. I only personally use the word processor and spreadsheet program, but still. Then there's ham radio software: Fldigi, WSJTX, GridTracker, programs to keep track of radio contacts so you can upload to Logbook of the World, etc.

And that's just scratching the surface of what Linux can do. You can download torrents, use Skype, Zoom, and almost every software program you can imagine. VirtualBox allows you to run all sorts of "virtual machines" inside Linux. Speaking of virtual machines, you can get emulators for just about any video game system, if that's your thing. And there ARE lots of games for Linux, depending on what you're looking for. My kids play SuperTuxKart which is much more advanced than Mario Kart 64, but it's free. If you must have the latest Call of Duty, I guess you're stuck with Windows. (But if you spend serious hours "hardcore gaming", and you're over 12, then you're a boy in a man's body and you really need to grow up, but I digress.)

My software is always up to date AND I don't spend money on software. It's great. Who says there's no such thing as a free lunch?

When Microsoft tried to "force" me into upgrading to Windows 7 and buying all new software for no valid reason -- I said "forget it. If I'm going to learn all new software either way, might as well go the Linux route and spend ZERO and have ZERO financial liability for software going forward!" One of the best decisions I made.

Occasional problems are usually solved with a Google search. You don't really have to be a Linux expert to use Linux. Not when you use the mainstream distributions, aimed at the common man. You installed on your PC, and everything *just works*.

My main PC is in 4K mode on a large TV set on my desk. That works in Linux too.