Constant BSODs in Windows XP (probably caused by NVidia drivers), and then by now that’s half a lifetime ago and Linux is just my default with Windows being “the alternative that can mostly do the same thing but in less intuitive ways”

CentOS Stream 8. Which I regret. Because they ended support without upgrade path.

Warning: Cloudflare does not allow you to change the nameservers of domains you register with them unless you pay for some insanely priced subscription. For many of us who register domains at various registrar’s but want to be able to centrally manage DNS, hiding such basic functionality behind an extremely steep paywall makes Cloudflare a no-go.