The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter.

A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This key, which is a 48-digit number, is used to regain access to the drive. You might be prompted for the BitLocker recovery key during startup, due to a security risk or hardware change:

Select action center on the right side of the taskbar, and then move the slider to adjust the brightness. (If the slider isn't there, see the Notes section below.) Under Brightness and color, look for the Change brightness for the built-in display slider to fine-tune the brightness level.

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

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 when signing in to an app or device that doesn't support two-step verification.

Blue Screen errors (also called bug checks, STOP code errors, kernel errors, or BSOD errors) can occur if a serious problem causes Windows to shut down or restart unexpectedly to protect itself from data loss.

There are many different types of email accounts you can add to Outlook, including an Outlook.com or Hotmail.com account, the work or school account you use with Microsoft 365, Gmail, Yahoo, iCloud, and Exchange accounts. Select a tab option below for the version of Outlook you're using.

Get to know your way around Windows 11, from where to search to how to stay organized. Watch the video and read tips about new features.

In the Microsoft 365 admin center, you can manage the payment information and billing for your Microsoft 365 subscription. From here you can review your invoices, add a new payment method, or check your other Microsoft billing information.

Protect your precious files, documents, and memories with OneDrive. You get 1 TB of cloud storage with a Microsoft 365 subscription, and can back up and share your files and photos with friends and family across all your devices. Explore OneDrive support, help, and learning resources.