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At the moment I use Windows 10, in the past Windows 7 also along with Kubuntu and others. I think that W10 is the last usable OS from M$, because of this I am not going to update it to W11, the following W12 and the online version for monthly subscription, are going to gradually take over the user's sovereignty over their own PC, with absolute control over it. I am going to continue W10, the gutted version that I use, until support ends in 2025 (probably 2026-27 due to the large number of users), then we will see what there is then as an alternative. Maybe I'll install some distro in dual boot in the meantime, but being online 99% of the time, where the OS used is irrelevant, it doesn't bother me that much at the moment. Anyway I don't use Google or Bing for obvious reasons and none of their services.