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A Windows 10 user says his PC upgraded itself to Windows 11 while he was in the shower—despite repeatedly declining Microsoft’s upgrade prompts.

The Reddit user, posting under the name djseifer, claims that after months of refusing upgrade notifications, he stepped away from his computer only to return and find the system had moved to Windows 11 on its own. The post quickly gained traction, drawing thousands of upvotes and a wave of sarcastic comments about “mandatory showers” and unstoppable updates.

Can Microsoft force an upgrade?
In normal circumstances, an automatic, completely unprompted upgrade from Windows 10 to Windows 11 should not occur without user consent. Users are typically required to confirm installation. That leaves two likely explanations: either a bug triggered the process, or the user may have inadvertently approved the upgrade before stepping away.

Fortunately, upgrading isn’t necessarily permanent. Windows provides an official rollback option for up to 10 days after installation, allowing users to revert to their previous version. Beyond that window, third-party tools can sometimes extend flexibility, though they come with caveats.

How to reduce upgrade risks
Users concerned about unwanted upgrades can take precautionary steps:

  • Disable automatic Windows updates, keeping in mind that delaying security patches for too long can increase risk.
  • Disable TPM in BIOS settings (found under Security or Advanced sections as TPM/FTPM/PTT), which may make a system ineligible for Windows 11.
  • Use tools such as Rufus to create custom installation media that bypasses upgrade prompts and certain hardware checks.

While the viral Reddit story may ultimately boil down to user error or a rare glitch, it highlights ongoing tension between Microsoft’s push toward Windows 11 adoption and users who prefer to stick with Windows 10.