Learn how to identify a phishing scam, designed to steal money via fake emails.

Summary. This security update makes improvements to Secure Boot DBX for the supported Windows versions listed in the "Applies to" section. Key changes include the following:

Learn how to receive and interpret activity reports of your child's device use, including web browsing, apps and games usage, and screen time.

Learn how to install Skype for Business on your Windows computer, mobile device, or Macintosh.

Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.

Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.

Learn how to download files from the web, change your default download location, and find files you've downloaded on your PC using Internet Explorer.

The Basics of Search. Returning search results is no easy feat, and involves complex, near-instantaneous algorithmic calculations. A search for something as simple as “cat” could yield over 55 million results.

Learn how to get older apps or programs to run on Windows 10 or Windows 11 by adjusting compatibility settings.

Find out how to submit a request for a refund for a purchase of digital Xbox content.