Notes: If you know your password, but just want to change it, go to account.microsoft.com Security tab, and select Change my password. If you know your username and password but they have stopped working, read My username and password have stopped working.

Microsoft accounts are for personal use, and for accessing services like Outlook.com, Xbox or Skype. Microsoft work and school accounts are for organizations that use Microsoft 365 for business.. Choose your account type, or learn more about the differences.

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.

Do you want to learn how to navigate Windows using keyboard shortcuts? Whether you need to switch between apps, open the command prompt, or perform any other tasks, you can find a full list of keyboard shortcuts in Windows on this webpage. Discover how to save time and improve your productivity with these handy tips.

A workbook is a file that contains one or more worksheets to help you organize data. You can create a new workbook from a blank workbook or a template. By default, a new workbook contains three worksheets, but you can change the number of worksheets that you want a new workbook to contain. You can also add and remove worksheets as needed.

Zunächst benötigen Sie einige Informationen zu Ihrem Gerät: Suchen Sie Ihr Surface-Modell und Ihren Betriebssystembuild: Wenn Sie ihr Surface-Modell oder Ihr Betriebssystem nicht kennen, suchen Sie in der Surface-App nach.Um sie zu öffnen, wählen Sie Start aus, geben Sie Surface ein, und wählen Sie Surface aus, um die App zu öffnen. Wenn die App nicht geöffnet wird, rufen Sie sie aus ...

Wenn Sie derzeit Windows 10 verwenden, bietet PC Health Check eine umfassende Eignungsprüfung für Ihr Gerät, um sicherzustellen, dass es die Mindestsystemanforderungen von Windows 11 erfüllt. Sie erhalten Informationen dazu, warum Ihr Gerät geeignet oder nicht geeignet ist, sowie Informationen dazu, was Sie tun können, wenn Ihr Gerät die Anforderungen nicht erfüllt.

Windows 10 Pro offers more advanced security and business networking features, including: BitLocker Drive Encryption

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

Edit photos and videos. Whether you like to apply changes that affect your photo's quality, feel, and look—or you want to add information on top of your photos, the Photos app offers you comprehensive features to transform your photos and videos looking their best.