Use your Microsoft account to sign in to Microsoft services like Windows, Microsoft 365, OneDrive, Skype, Outlook, and Xbox Live.

Learn how to change your Windows desktop background (wallpaper) and accent color using personalization settings.

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

Get to know common Windows keyboard shortcuts including copy, cut, paste, maximize a window, and more.

Set the region, device language, and spoken language for your products and services.

Windows 10 and 11 contain a large set of emojis. To insert one: Put your cursor where you want the emoji.

Copilot is available in the Home tab of Word, Excel (Preview), PowerPoint, and Outlook if you are a Copilot subscriber. If you also have a Microsoft 365 subscription that includes the Microsoft 365 desktop apps then you should find Copilot available in those apps as well.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

If you’ve forgotten your Microsoft account password, learn how to do a password reset online or by using your Xbox console.

How to find and remove duplicates in Excel. Filter for unique values in large or small datasets to clean up your worksheets and workbooks.