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.

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To activate using your digital license, you'll need to upgrade to Windows 11 Pro: Save your work and close any open apps.

Refunds are typically issued for requests meeting the following criteria: Requests are made within 14 days of the purchase date; Requests are for games in which you haven’t accumulated a significant amount of play time

扩展或加载项是自定义浏览器体验并为你提供更多控制权的简单工具。 下面介绍如何在 Microsoft Edge 中添加、关闭和删除扩展或加载项 。

Digital goods like apps, games, add-on content, subscriptions, movies, TV shows, and books aren't returnable unless the offer for applicable law states that you're eligible for a refund.

IMPORTANT This update is not needed and will not be offered if your Windows Recovery Environment (WinRE) meets any of the following conditions: If the WinRE recovery partition does not have sufficient free space.

To use your camera with apps on Windows 11, you'll need to turn on some permissions in Camera settings. Then, you'll need to check your app permissions if you want to use your camera with apps.

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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