: You lose hardware-backed security features like BitLocker drive encryption (which requires a TPM for automated unlocking) and certain Windows Hello biometric logins. Office 2021 Experience

Office 2021 is the ideal companion for this build, as it was specifically designed with the in mind. What to Do If Your PC Can't Run Windows 11 Because of TPM

: While installation requires a bypass (via Rufus or registry hacks like BypassTPMCheck ), monthly cumulative security updates typically continue to arrive through Windows Update.

: On Build 22000.978, users often find the OS runs as smoothly as Windows 10, especially on systems with SSDs and at least 8GB of RAM. Some specialized features like HVCI (Memory Integrity) may cause a performance dip on older CPUs without hardware support, but this can be disabled for a smoother experience.

The combination of on a No-TPM system paired with Office 2021 offers a modern, high-performance workspace for users willing to bypass official hardware restrictions. This specific build is stable and bridges the gap between the original release and subsequent major updates. Windows 11 Pro (22000.978) on Unsupported Hardware