Install the S/MIME control. Get a certificate, sometimes referred to as a key or digital ID. The first step to use S/MIME is to obtain a certificate from your IT administrator or helpdesk.

Data Execution Prevention (DEP) is a technology built into Windows that helps protect you from malicious code launching from areas of memory that have been designated as for data only.

When you install Skype for Business, you need to choose between a 32-bit version installer and a 64-bit version installer. Use the 32-bit installer if you’re using a 32-bit version of Windows and the 64-bit installer with a 64-bit version of Windows.

禁用深色页面背景. 可以在深色模式下禁用深色页面背景，并使页面保持浅色。 可以在功能区中切换 “切换背景 ”按钮。 离开并返回到 Web 文档的任何Word后，Word将记住并应用每个唯一浏览器) (选择。

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

Microsoft generally releases the MSRT on a monthly cadence as part of Windows Update or as a standalone tool. (For exceptions, see Skipped releases.)Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see Covered malware families).For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.

Optimizations for windowed games improves gaming on your PC by using a new presentation model for DirectX 10 and DirectX 11 games that appear in a window or in a borderless window.

When you start a focus session, a focus timer will appear on screen. To use additional focus tools in the Clock app, expand the focus timer to get the full view of the Clock app.

If you selected the Show icon on my profile check box but the icon still isn’t displaying, sign out of the device where you have the issue and then sign back in. On a PC, you may also be required to restart the app: Start Task Manager, choose the app that’s running (Game Bar or Xbox app), select End task, and then restart the app.

Windows 10. In Windows 10, Groove Music is pinned on Start .You'll also see it listed alphabetically in your apps. Compatible song files in your Music folder will appear in the app.