Use System Restore. Use System restore to make restore points when you install a new app, driver, or Windows update, and when you create a restore point manually.

You can resolve problems with Microsoft Authenticator by checking the tips in this article and reviewing some of the known errors.

Erfahren Sie, wie Sie Office 2013 auf Ihrem PC oder Office für Mac 2011 installieren können.

Learn about what effect closing a Microsoft account might have on your other apps and services.

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.

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows.However, you can change the default search engine to any site that uses OpenSearch technology.

Learn how to use and install mobile apps on your Windows 11 PC with the Windows Subsystem for Android™.

How to use the IF function in Excel to make logical comparisons between data values.