Learn how to find your BitLocker recovery key in Windows.

Learn about BitLocker Drive Encryption in Windows and how to encrypt drives.

Get answers to some common questions about 32-bit and 64-bit versions of Windows.

To change from a 32-bit version to a 64-bit version or vice versa, you need to uninstall Microsoft 365 first (including any stand-alone Microsoft 365 apps you have such as Project of Visio).

Use the 32-bit installer if you’re using a 32-bit version of Windows and the 64-bit installer with a 64-bit version of Windows. To determine which version of Windows you’re using, follow the …

Learn how to check what version of Office your using. Find your product name and version number of Office apps.

Learn how to activate Office that is pre-installed on new Windows 10 PCs or using a new product key.

To install Office in a different language, or to install the 64-bit version, use the dropdown to find more options. Choose the language and bit version you want, and then select Install.

Learn about BitLocker Device Encryption in Windows and how to enable it.

The values returned from the bit positions progress from right to left as powers of 2. The rightmost bit returns 1 (2^0), the bit to its left returns 2 (2^1), and so on.

Learn about BitLocker Drive Encryption and Device Encryption in Windows.