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MX Linux – Midweight Simple Stable Desktop OS.
There is a bit of learning curve to Linux, but distributions like the one above make it as smooth as possible, and you can learn as you go. The forum is very helpful. This distribution looks and functions much like Windows. (Most people live in the browser anyway). You can install it as a dual-boot, keeping your Windows install intact as you test Linux out.
It comes down to freedom and self-respect. Linux is built by people who love privacy and security as much as we do, not by people trying to make maximum bucks off of us. And most people who surf responsibly will not need an antivirus, which frees up 15% of resources, minimum, making for a more powerful computing experience on the same machine.