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.

To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? and select Yes.. To contact us in Outlook.com, you'll need to sign in.

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Safe mode starts Windows with a minimal set of drivers and services to help troubleshoot issues. If a problem doesn't reappear when you start your PC in safe mode, you can eliminate the default settings and basic device drivers and services as possible causes.

To edit a PDF, open it in Word. This works best with PDFs that are mostly text. PDFs of book chapters or something that looks like a manuscript from a copier won't be formatted well in Word.

Here are two other ways to install and manage fonts: All fonts are stored in the C:\Windows\Fonts folder. Optionally, you can add fonts by simply dragging font files from the extracted files folder into this folder.

如果这是你第一次安装 Microsoft 365，则可能需要先执行一些设置步骤。展开下面的 “了解详细信息”部分。 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转到“登录并安装 Office”的部分。

Note: If a document has been shared with you for review, you may not be able to turn off Track Changes.If you want to edit the document without tracking changes, you’ll need to either save a copy or ask the person who sent it to you to share it again with review mode turned off.

Select your printer from the list and select Open print queue to see a list of what's printing and the upcoming print order.

In the search box on the taskbar, type Create a restore point, and select it from the list of results.