Learn about modems and Internet connections, security, sharing files and printers, and how to set up a wireless network in your home.

If you’re having problems getting connected to a network and can’t get onto the Internet, here are some things you can try in Windows.

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

Using Authenticator as a way to sign in. If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in:

See some of the most common upgrade and installation errors for Windows 10 and Windows 11, and what you can do to try to fix them.

You can add columns, rows, or cells to an Excel worksheet or delete them. Columns insert to the left, rows above, and cells above or to the left.

Create an alias to give you an additional email address which uses the same inbox, contact list, and account settings as your primary email address in Outlook.com.

Discover how to effectively utilize your computer keyboard and master various keyboard shortcuts for efficient computing.

Learn how to fix problems signing into your Microsoft account. Resolve password verification, locked account, and other Microsoft account login issues.

How to change your product key to fix activation errors that can occur if you own and install multiple one-time purchases of Office..