Shrink the OS partition and prepare the disk for a new recovery partition. To shrink the OS, run diskpart

How to calculate the number of days, months, or years between two dates using the DATEIF function in Excel.

This article tells you how to add email accounts to the Mail and Calendar apps so you can start sending and receiving email and creating and managing events.

Learn how you can use the free Microsoft Authenticator app to sign in to all your accounts without using a password.

Learn how to install the Media Feature Pack for Windows 10/11 N editions (September 2022).

If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.

Go to Settings > Apps > Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.

Learn new and useful keyboard features, tips, and tricks for Windows with this overview from Microsoft Support.

Learn more about how to find all your apps and programs in the all new Windows Start menu.

If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product.