Microsoft makes its stringent TPM 2.0 Windows 11 upgrade requirement "non-negotiable" — potentially leading to the single biggest jump in junked and unsupported Windows 10 PCs

Enabling the TPM in the BIOS on a laptop.

What you need to know

• Microsoft recently published a new blog post indicating that its stringent TPM 2.0 system requirement for upgrading to Windows 11 is non-negotiable.
• The company says the security feature is "a necessity for a secure and future-proof Windows 11."
• In August, Microsoft blocked a loophole that allowed users to circumvent the hardware requirement verification process when activating Windows 11 on unsupported devices.