Oct 14, 2025 · Learn how to optimize system performance by managing startup applications in Windows.

Oct 14, 2025 · With System Restore you can revert your PC's state to a previous point in time. This can be particularly useful when troubleshooting issues caused by recent changes, such …

Oct 14, 2025 · Set defaults for applications Select an app to see what file types or link types it can open. If you want to change something, select the file or link type, then choose your preferred …

To open an app, select the Start button (lower-left corner of your screen) and type the name of an app, like Word. To open the app, select its icon in the search results.

Oct 14, 2025 · Streamlined playback modes The Now Playing mode is a study in minimalism: It shows only the controls you need, so nothing comes between you and your music or video. A …

Find out which version of DirectX is on your computer so you can help your game or multimedia software to work properly.

If you recently bought a new Windows device, you might not be able to find classic Outlook, or the icon appears, but when you try to open it, you might get an error that says, We couldn't verify …

Tips: If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter. If you're looking to open a new account, you can create one at …

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Select Start , enter device manager. Then, select Device Manager from the search results.