如果之前具有非正版 Office 或 Microsoft 365，然后最近购买了正版 Microsoft 365，但 Office 应用中未显示听写、设计器和编辑器等功能，请执行下列操作来帮助解决此问题。

更新一个订阅上的地址不会自动更新所有 Microsoft 订阅。 如果尚未登录，请转到 " 服务 & 订阅 " 页面，然后使用您用于订阅的 Microsoft 帐户登录。 登录后，可能会显示 " 验证您的地址 " 弹出窗口，要求您验证您的地址。

不能使用礼品卡、订阅卡或你的 Microsoft 帐户余额来支付逾期未付的订阅。 如果在打开 Word、Excel 或任何其他 Office 应用程序时看到购买、续订或重新激活 Microsoft 365 订阅的通知，则需要采取措施才能继续使用 Office。

Where can I find my BitLocker recovery key? BitLocker likely ensured that a recovery key was safely backed up prior to activating protection. There are several places that your recovery key may be, depending on the choice that was made when activating BitLocker:

Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

How to enable TPM. If you need to enable TPM, these settings are managed via the UEFI BIOS (PC firmware) and vary based on your device. You can access these settings by choosing: Settings > Update & Security > Recovery > Restart now. From the next screen, choose Troubleshoot > Advanced options > UEFI Firmware Settings > Restart to make the changes.

In most cases, all you have to do to set up a scanner is to connect it to your device. Plug the USB cable from your scanner into an available USB port on your device, and turn the scanner on.

Buy stuff from Microsoft Store online (from your mobile device, on Xbox One, in the Microsoft Store app on your Windows 10/11 or Windows 8.1 device, or via the web).

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Info for Windows Insiders. If you’re an Insider and the current preview build isn’t working for you, select Start > Settings > System > Recovery .Next to Go back , select Go back.This won’t remove your personal files, but it’ll remove recently installed apps and drivers, and change settings back to their defaults.