Here’s how to install Windows 11 on an incompatible PC

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Windows 11 is available to everyone. Microsoft announced its new operating system at a dedicated event on June 24, with a big design overhaul and native support for Android apps among the biggest changes.

It’s been available for download since October 5, but most Windows 10 devices will have to wait until 2022 to get the free upgrade.

However, there is an easy way to get Windows 11 right now on all compatible devices.

Microsoft has updated the hardware requirements for Windows 11. Not all Windows 10 devices will be eligible because they must meet a new set of criteria. To learn more, see our separate article: Will my PC run Windows 11?

Among these criteria is a processor that supports a TPM 2.0 module. This excludes a large number of older devices, as TPM 2.0 was released in October 2014.

Microsoft has updated its PC Health Check application, it tells you if your device will work with Windows 11; it is available on the Windows 11 website. However, the app may still indicate that your computer is not compatible, when in reality TPM 2.0 is not enabled.

This can be changed by going to your device’s BIOS (or UEFI) settings. Holding the Esc, Del or a function key (often F2) while the device is powered on is the most common way to access it, with the TPM option commonly described as “PTT” or “PSP fTPM” .

However, even if you don’t have a TPM 2.0 processor, don’t rush to buy a compatible device. This is because there is a way around it, in addition to the 4GB RAM and Secure Boot requirements, but it does involve registry changes. As such, we strongly recommend that you back up all your files and other data.

How to install Windows 11 without TPM 2.0?

This method involves setting up a laboratory-type environment. Microsoft will allow device manufacturers to disable the TPM requirement on their version of Windows 11, you will do the same here:

  • Go to the Windows 11 official download page in order to get the new operating system right now. You have three options to choose from.
  • Follow the step by step guide
  • If your computer does not meet the hardware requirements, you will see a message saying “This PC cannot run Windows 11”.
  • In this screen, press Shift + F10 to open the command prompt window.
  • Type regedit and press Entrance
  • The Windows registry editor opens. In the address bar, type HKEY_LOCAL_MACHINE SYSTEM Setup and press Entrance.
  • You should now see a key Setup. Right click on it and choose NewKey.

  • You are now prompted for a name. Choose LabConfig and press Entrance
  • Right-click on the new key you created and choose NewDWORD value (32 bits).
  • Give it the name of BypassTPMCheck and assign it the value 1.

  • Follow the same process for BypassRAMCheck and BypassSecureBootCheck, with the same value of 1.

  • Close this window by clicking on the X red, top right.
  • Close the Command Prompt window by typing exit and pressing Entrance.
  • You are now back to the “This PC cannot run Windows 11” message. Click on the button Return, on the top corner left.
  • You should now be able to complete the installation normally.

It is important to note that these steps may affect the performance or stability of Windows 11. Proceed with caution and if possible try on a device other than your primary PC.

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