How to help keep your Microsoft account safe and secure. Change or reset your Windows password. Accessing the account of someone who has died. Learn how to reset or change your Microsoft account password. Get help with a forgotten Microsoft account password.

From the Overview page, select Office apps and on that page, find the Microsoft 365 product you want to install and select Install. To install Microsoft 365 in a different language, or to install the 64-bit version, use the dropdown to find more options.

Let's take a good look at the clues in this example that pretends to be a subscription confirmation to Norton LifeLock. 1. The sender address. The sender's email address is often the first clue that the message is a fake. In this example they haven't even tried to make it look real.

For Microsoft 365 operated by 21 Vianet go to login.partner.microsoftonline.cn. For Microsoft 365 Germany go to portal.office.de. This completes the download of Microsoft 365 to your device. To complete the installation, follow the prompts in the "Install Microsoft 365" section below.

Select your version of Microsoft 365 below to learn how to activate Microsoft 365. Activate Microsoft 365 or a non-subscription version of Office. Activate Office that's pre-installed on a new Windows device. Activate an Office purchase or offer that's included on a new Windows device.

如果要续订附带新产品秘钥的 Microsoft 365 订阅，请使用先前与已过期版本订阅关联的同一 Microsoft 帐户。. 完成此操作后，每当需要安装或重新安装 Microsoft 365 或 Office 时，可以直接转到下一部分 ，然后选择选项卡以获取在电脑或 Mac 上安装的帮助。. 请务必使用 ...

Possible causes. Make sure your PC, the external display, and the cable all support DisplayPort or MHL alternate modes. Make sure the device or dongle is connected directly to your PC. Make sure the device or dongle is connected to the USB-C port on your PC that supports the correct Alternate Mode.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Find the software, and then select Product key/Install. Note: If you're having problems installing an app from the Microsoft Store, see Fix problems with apps from Microsoft Store. If you're looking for download and installation instructions for a specific product, see the following sections.

选择下面的 Microsoft 365 版本，了解如何激活 Microsoft 365。. 激活 Microsoft 365 或非订阅版本的 Office. 激活预安装在新 Windows 设备上的 Office. 激活新 Windows 设备上包含的 Office 购买或产品/服务. 从 Microsoft 工作区折扣计划激活 Office. 激活一个全新的 Office 产品密钥. 解决 ...