Find your product key to activate Windows. A product key is a 25-character code that's used to activate Windows and helps verify that Windows hasn't been used on more PCs than the Microsoft Software License Terms allow.

Note: If you don't see the Favorites icon in your browser bar, select Settings and more > Settings > Customize appearance, and under Customize toolbar > Select which buttons to show on the toolbar, turn on the Favorites button toggle.

Learn how to download, install, and use the PC Health Check app to check your device's compatibility with Windows 11 and get tips to improve its performance.

Windows 10 Pro offers more advanced security and business networking features, including: BitLocker Drive Encryption

Notes: The formatting options that appear in the Formatting tab depend on the data you have selected. If your selection contains only text, then the available options are Text, Duplicate, Unique, Equal To, and Clear.When the selection contains only numbers, or both text and numbers, then the options are Data Bars, Colors, Icon Sets, Greater, Top 10%, and Clear.

After you turn on two-step verification or set up the Authenticator app, you may run into issues if you use older devices (like Xbox 360 or a mail-sending security camera) that don't support two-step verification. For those devices, you can sign in with an app password instead. An app password is a long, randomly generated password that you provide only once instead of your regular password ...

Swipe in from the right edge of the screen, and then tap Search.Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.Type Command Prompt in the Search box, right-click Command Prompt, and then click Run as administrator.If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.

32-bit install. Choose between 32-bit or 64-bit installation. Insert the Office 2010 disc into the drive. If the setup wizard doesn't start automatically, click the file folder icon on the taskbar or press ⊞ Win + E keys on your keyboard, right-click the disc drive icon, select Open, and then double-click setup.exe.

Windows Update might find an updated version of your printer driver. To use it: Select Start , then select Settings > Windows Update. Open Windows Update

The easiest way to get language packs for Windows 8.1 and Windows RT is to download and install them using the Language Control Panel. Download and install additional languages to view menus, dialog boxes, and other user interface items in your preferred language.