Parallels 18 -> Windows 11 => Your machine is not compatible...

I downloaded Windows11InstallationAssistant and ran it, in my existing Windows 10 (64-bit) virtual machine. First thing it did was install a HealthCheck app which promptly told me there were these issues which would prevent Windows 11 from being installed:

• This PC must support Secure Boot
• TPM 2.9 must be supported and enabled on this PC
• The processor isn't currently supported for Windows 11

The first two had links "more about..." and under both links I was advised to go to Settinghs > Update & Security > Recover > Restart Now (under Advanced startup); and on the next screen, to select UEFI Firmware Settings and do stuff.

I don't have any panel named UEFI Firmware Settings. I only have "Startup Repair", "Startup Settings", "Uninstall Updates", "System Restore", "Command Prompt", and "System Image Recovery". I poked into "Startup Settings which had yet another submenu of options but none of them pertained to UEFI Firmware.

I'm in Parallels 18 (not "Pro", just the plain-vanilla variety). I see that other people are using Windows 11 under Parallels.

What am I missing?

 

You need to add the TPM in the section for hardware in the VMs settings. There's a plus / minus sign at the bottom.

 

When I click the plus / minus sign under the VM's hardware settings, I see that I can add a...
• Network
• Printer
• Hard Disk
• CD / DVD
• Serial Port

I don't see anything about adding a TPM, or have any sense that a TPM would be a subtype of any of the above. Can you be more explicit?

 

If you go to Hardware > + on your Mac with an Intel processor, but a TPM chip isn't there, it might be caused by the fact your Windows virtual machine is based on Legacy BIOS. TPM chip will work with UEFI/EFI BIOS only.

0. Check if your virtual machine has Legacy BIOS by following the steps from KB 115815.

1. If Legacy is set, create a new Windows virtual machine.
2. When you get to the Name and Location window when creating a machine, enable Customize settings before installation.
3. In the automatically opened configuration window go to Hardware, click + > select TPM chip > Add.
4. Close the configuration window and proceed with Windows installation.

 

Yeesh, Parallels doesn't make it easy to create a new VM and supply the virtual HD later... but OK, I told it to skip actual installation, but that it would be a Windows 10 box, and to Customize the settings. Went to hardware. Under Parallels 13 there's nothing about adding a TPM chip. About to remote into my newer computer and try the same under Parallels 18...

 

OK, Parallels 18 let me create a new virtual Window 11 machine without a hard drive. It has the TPM chip.

I will duplicate my Windows 10 HD and use it as the baseline for downloading Windows 11.

 

If it helps in any way, I made a Win11 install (full install) on Parallels v17 (w/ TPM), copied the VM to my Parallels v16 machine and it ran just fine even though you couldn't add a TPM using v16 as I guess it accepted what was already there (bypassing the Windows complaint).