Optimizations for windowed games improves gaming on your PC by using a new presentation model for DirectX 10 and DirectX 11 games that appear in a window or in a borderless window.

If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

Important: Reactions are only available to individuals using a work or school account in Outlook with a qualifying Microsoft 365 subscription.

Are you looking for Contacts in the Mail app for Windows 10? The Mail app uses the People app for Windows 10 to store contact information. When you open a new message in Mail for Windows 10, start typing a contact's name or email address and Mail for Windows 10 will search the People app and display a list of suggestions for you to choose from.

This page includes accessibility help articles for people who use Windows voice access to control their PC and author text using their voice.

Try these steps if you’re having trouble buying apps, games, or downloads from the Microsoft Store.

Indexing the contents of your PC helps you get faster results when you're searching it for files and other things. Learn how it works. What is indexing?

Collections in Microsoft Edge helps you keep track of your ideas on the web, whether you're shopping, planning a trip, collecting notes for research or lesson plans, or just want to pick up where you left off the last time you were browsing the internet.

With External Access for Teams, you can add or invite anyone outside of your Teams org who uses Teams, Teams for personal use, Skype (for consumers), and Skype for Business to a one-to-one chat.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.