You can also let Trend Micro Pros help out. We recommend checking your PC manufacturer’s support information on their website if you are hesitant to make any changes to enable UEFI/BIOS.ĭownload Trend Micro Windows 11 Upgrade Helper - it's FREE! If so, you will need to choose for UEFI to be the first or only option. In some PCs, there are options to enable both UEFI and Legacy/CSM.

Switch the PC boot mode from Legacy BIOS (or CSM Mode in some computers) to UEFI/BIOS (Unified Extensible Firmware Interface).

Method 2: Create bootable USB with no requirement check If you can’t or don’t want to edit the Registry, you can also create a bootable Windows 11 USB or DVD that won’t check for TPM 2.0 or Secure Boot support.

On the next screen that appears, select Troubleshoot > Advanced options > UEFI Firmware Settings > Restart to make changes. Now Windows 11 installation process will not check for TPM 2.0 and Secure Boot.

Under Advanced startup, choose Restart Now.

Click the Start, then go to Settings > Update & Security > Recovery.

This blocks malicious programs from running on your computer at system startup. Secure Boot is a security feature that ensures your computer boots up using only software that is trusted by its manufacturer.

It is also needed to upgrade to Windows 11. Turn ON Secure Boot to prevent malicious programs from loading as your computer starts up.

Windows 11 without secure boot