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Microsoft tries to convince Windows 10 users to buy a new PC with full-screen prompts
(www.theverge.com)
This is a most excellent place for technology news and articles.
I run a local account and toggled off all the telemetry stuff during installation nine years ago. Never saw one of those. Didn't even get toggled on with updates. Only problem I had was Copilot getting added a few weeks ago. By that time, Win10 had become the compatibility fallback for Linux, though.
So, create a local account, go into Settings, and toggle off everything that could maybe be telemetry related.