Likewise, after you press the power button on a newer PC that uses full-disk encryption and a TPM, the tiny chip will supply a unique code called a cryptographic key. If you don’t key in a code within a short period of time, alarms will sound or you won’t be able to access your money. In this scenario, turning on your computer is analogous to opening the front door of your home or entering your username and password into the login page. The chip is akin to the keypad you use to disable your home security alarm every time you walk in the door, or the authenticator app you use on your phone to log in to your bank account. Let’s take a look at what TPMs do and how they work in the latest version of Windows.Īt its most basic, the TPM is a tiny chip on your computer’s motherboard, sometimes separate from the main CPU and memory. But the good news for people who have a PC bought in the last few years is that the answer is almost certainly “Yes.” For everyone else looking to upgrade to Windows 11, especially people who built or upgraded their own Windows desktop, the answer could be more complicated. “Do I have a TPM that works with Windows 11?” is a question you probably never thought you’d need to ask.
It could be cause for concern if you're looking to build your own Windows 11 PC, or upgrade one running an earlier version of Windows. Microsoft’s Windows 11 operating system requires a heretofore little-known PC security feature, the Trusted Platform Module (TPM).
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