Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

Safe mode starts Windows in a basic state, using a limited set of files and drivers. If a problem doesn't happen in safe mode, this means that default settings and basic device drivers aren't causing the issue.

Notes: If you don't see Go to Microsoft Store on the Activation page, contact your organization's support person.. If you made a substantial hardware changes to your device (such as replacing the motherboard) and you have a valid product key, try to activate Windows by phone.

The Microsoft Mouse and Keyboard Center is an app that helps you make the most out of your Microsoft keyboard and mouse. Mouse and Keyboard Center helps you personalize and customize how you work on your PC.

Right-click Start , then select Run.Type regedit in the Open: box, and then select OK.

Alternate command key. What it does. Help. Opens the Help system (if any) for the active window. Undo. Cancels the previous action. Redo. Cancels the previous Undo action.

Select this option to import Internet Explorer Browsing History into Microsoft Edge. Because the Top sites shown in the New tab page are generated based on the browsing history in Microsoft Edge, you may see the Top sites change based on the imported history data.

社区可帮助你提出和回答问题、提供反馈，并听取经验丰富专家的意见。

Training: You can add a gmail account to Microsoft Outlook, and manage it in Outlook, to view and manage all of your email in one place. Watch this online video to learn how.

Поиск ключа продукта для Windows 7 или Windows 8.1. При удалении и переустановке Windows 7 или Windows 8.1 обычно требуется ключ продукта.