Tip: Outlook.com allows you to have multiple email addresses associated with a single account, and you can choose which email address you send mail from. Creating alternate addresses to use on websites or apps that force you to register can help keep your personal email address out of the hands of marketers and hackers.

There are a few common scenarios in which Windows running on a PC might be discovered to be non-genuine during validation. Repairs. If your PC has been repaired, you might start to see messages on your desktop that Windows isn't genuine.

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Types of info. What will be deleted. Where it's stored. Browsing history. The URLs of sites you've visited, and the dates and times of each visit. On your device (or, if sync is turned on, across your synced devices)

另请参阅. 如果找不到 Microsoft Store，请参阅 在 Windows 10 中查找 Microsoft Store 时遇到问题的疑难解答。. 如果在启动 Microsoft Store 时遇到问题，请参阅 Microsoft Store 无法启动。. 如果可以启动 Microsoft Store，但只是在查找或安装应用时遇到问题，请参阅 我无法从 Microsoft Store 找到或安装应用。

In Windows 10, action center is where you'll find your app notifications and quick actions—which give you quick access to commonly used settings and apps.

Smart App Control adds significant protection from new and emerging threats by blocking apps that are malicious or untrusted. Smart App Control also helps to block potentially unwanted apps, which are apps that may cause your device to run slowly, display unexpected ads, offer extra software you didn't want, or do other things you don't expect.

Why some files won't open in Internet Explorer. Internet Explorer uses add-ons such as Adobe Reader to view some files in the browser. If a file that needs an add-on won't open, you might have an older version of the add-on, which needs to be updated.

另请参阅. 我无法从 Microsoft Store 找到或安装应用. 需要更多帮助吗？ 请联系支持人员. 有关技术支持，请转到联系Microsoft 支持，输入问题并选择“获取帮助”。 如果仍然需要帮助，请选择“联系支持人员”以转至最佳支持选项。

Select the level of tracking prevention that’s right for you: Basic: Blocks potentially harmful trackers but allows most other trackers and those that personalize content and ads. Balanced (Recommended): Blocks potentially harmful trackers and trackers from sites you haven’t visited.Content and ads will likely be less personalized. Strict: Blocks potentially harmful trackers and most ...