Learn how to identify a phishing scam, designed to steal money via fake emails.

Learn how to download files from the web, change your default download location, and find files you've downloaded on your PC using Internet Explorer.

Learn how to install Skype for Business on your Windows computer, mobile device, or Macintosh.

Learn how to unfreeze your OneDrive account if it has been inactive over 12 months.

汇报默认屏幕和睡眠设置现在可帮助你更高效地使用能量并延长电池使用时间。 可以在 Windows 11 中找到效率设置 >系统 > 电源 & 电池。. 有关每个电源和电池设置如何提高设备性能的引导式演练，请单击按钮打开“获取帮助”应用：

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Learn how to get older apps or programs to run on Windows 10 or Windows 11 by adjusting compatibility settings.

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

Discover how to boost your browsing speed and save battery life with Microsoft Edge's performance features, such as sleeping tabs and efficiency mode.

Learn how to receive and interpret activity reports of your child's device use, including web browsing, apps and games usage, and screen time.