Enable TPM 2.0 on your PC - Microsoft Support
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.
Create a meeting in Microsoft Teams (free) - Microsoft Support
Create an instant meeting. There are multiple ways to start an instant meeting. You can start one either through the Chat or Calendar feature. In Teams, you can do one of the following: From your Chat at the bottom of the screen, tap Meet at the upper-right corner of the screen > Meet now .
Applies To: Microsoft Teams, Microsoft Teams personal
Upgrade to Windows 11: FAQ - Microsoft Support
To upgrade to Windows 11, devices must meet the Windows 11 minimum system requirements. Some Windows 10 features aren't available in Windows 11. System requirements to experience some Windows 11 features and apps will exceed the Windows 11 minimum system requirements.