Windows Update downloads updates for Windows Security automatically to help keep your device safe and protect it from attacks.

There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled.

Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.

The easiest way to get language packs for Windows 8.1 and Windows RT is to download and install them using the Language Control Panel. Download and install additional languages to view menus, dialog boxes, and other user interface items in your preferred language.

在您需要新增參與者的現有群組聊天中選擇或進行使用。 在 Teams 右上角的個人檔案圖片下方，選 取 [檢視並新增參與者 ，然後選擇 [ 新增人員 ] 。 選取新增的參與者名稱，然後選擇是否要包含多少聊天記錄。

Select Add a printer or scanner.. Wait for it to find nearby scanners, then choose the one you want to use and select Add device.

注意: 如果日后决定更改聊天室名称，则会向你和聊天室成员及关注者显示新名称。但最好一开始就选个合适的名称，并在以后一直使用该名称。 更改聊天室名称可能会导致那些已设置通知或已将你的聊天室添加到收藏夹的用户产生混淆。

Microsoft Defender is a security app that helps people and families stay safer online with malware protection, web protection, real-time security notifications, and security tips.Microsoft Defender is included in a Microsoft 365 Family or Personal subscription and works on your phone (Android or iOS), PC, and Mac.

Things to try first. Try these things first to help you fix or narrow down the connection problem. Run Get Help to troubleshoot and fix common connection problems. Right click the network icon in the right side of the taskbar and select Diagnose network problems or open Get Help for Network & Internet

Select Add a keyboard and choose the keyboard you want to add. If you don't see the keyboard you want, you may have to add a new language to get additional options. If this is the case, go on to step 4.