How can I force to install Windows 11 on unsupported PC?

To upgrade your unsupported PC to Windows 11 for free, despite the hardware not meeting the official requirements (notably the lack of TPM 2.0), you can try bypassing the hardware check during installation. Here's a step-by-step guide to help you install Windows 11 on unsupported hardware:

1. Create a Windows 11 Installation Media
2. Modify the Registry or Use a Registry Hack During Setup

* Boot from the USB installer.
* When the installer reaches the "This PC can't run Windows 11" screen, press Shift + F10 to open Command Prompt.
* Type regedit and press Enter to open the Registry Editor.
* In Registry Editor, navigate to:
     HKEY_LOCAL_MACHINE\SYSTEM\Setup
* Create a new key:
    Right-click on Setup, select New > Key, name it LabConfig.
* Inside LabConfig, create two DWORD (32-bit) values:
   BypassTPMCheck and set its value to 1.
   BypassSecureBootCheck and set its value to 1 (if needed).
* Close Registry Editor and Command Prompt.
* Continue with the installation process.
Note: For some builds, you might need to also bypass CPU checks. You can add:
    SkipTPMCheck = 1
    SkipSecureBootCheck = 1
    SkipCPUCheck = 1

3. Alternatively, Use a Registry File
To install Windows 11 on unsupported hardware. Some users create a .reg file with the bypass settings and run it during setup. Example content for bypass-windows11.reg:

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\Setup\LabConfig]
"BypassTPMCheck"=dword:00000001
"BypassSecureBootCheck"=dword:00000001
"SkipCPUCheck"=dword:00000001

Save the file, then run it during setup by pressing Shift + F10, typing regedit, and importing the .reg file.

4. Proceed with Installation
After applying the registry modifications, continue with the installation. The setup should now proceed without hardware check errors.

5. Post-Installation
    Once installed, you might need to disable or enable certain features.
    Keep in mind that updates or some features might not work properly.