下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013. 如果这是你 第一次 安装 Microsoft 365，则可能需要先执行一些设置步骤。. 展开下面的 “了解详细信息”部分。. 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转 ...

Install Microsoft 365 2019 or 2016 on a PC. Remember a one-time purchase version of Microsoft 365 is licensed for one install only. Depending on your browser, select Open file (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).

Cast to a display from a Windows PC. You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.

No console required! Manage your Xbox subscription. Game Pass Ultimate or a supported free to play game is required for cloud gaming. See what else you can do to get the most out of your subscription. Troubleshooting. Troubleshoot problems with cloud gaming. Learn how to fix connection quality issues.

Xbox 主机可以播放与主机同地区销售的蓝光光盘和 DVD。. 注意 Xbox Series X|S 主机不支持 3D 蓝光。. 查看每个光盘区域中包含的国家/地区的“受支持区域”下的表。. 某些蓝光光盘和 DVD 未按区域编码或针对所有区域编码。. 无区域限制的蓝光光盘和 DVD 将可以在任何 ...

Cloud gaming on your Xbox console. Game Pass Ultimate or a supported free-to-play game is required for cloud gaming. Join Xbox Game Pass Ultimate. To see where cloud gaming is currently supported, see the “Cloud gaming (Ultimate only)” column in: Xbox Supported Countries/Regions.

Skype Status. Skype Support is here to help you with all of your All products questions.

How to redeem a Microsoft gift card, Xbox download code or token. To redeem a Microsoft gift card, Xbox download code or token, select Redeem code below, sign in, and enter or paste the code or token value. Redeem Code. Tip: If you're signed in with the wrong account, select sign out first.

You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.

Here's some of the things you can do in the PC Health Check app in Windows: Check Windows 11 eligibility. Backup & sync. Windows Update. Battery capacity. Storage capacity. Startup time. Tips on PC Health. See your device specifications. Related topics. Getting ready for the Windows 11 upgrade.