TPM 2.0 is used in Windows 11 for a number of features, including Windows Hello for identity protection and BitLocker for data protection. In some cases, PCs that are capable of running TPM 2.0 are not set up to do so. If you are considering upgrading to Windows 11, check to ensure TPM 2.0 is enabled on your device.

After September 20, 2022, a message will appear when your browser opens a website that uses TLS 1.0 or 1.1. See Figure 1. The message states that the site uses an outdated or unsafe TLS protocol. To address this, you can update the TLS protocol to TLS 1.2 or above.

A TPM (Trusted Platform Module) is used to improve the security of your PC. It's used by services like BitLocker drive encryption , Windows Hello, and others, to securely create and store cryptographic keys, and to confirm that the operating system and firmware on your device are what they're supposed to be, and haven't been tampered with.