Refunds are typically issued for requests meeting the following criteria: Requests are made within 14 days of the purchase date; Requests are for games in which you haven’t accumulated a significant amount of play time

A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This key, which is a 48-digit number, is used to regain access to the drive.

如果显示此屏幕，则会安装 Microsoft 365 家庭版 的试用版或 Office 的非订阅版本的试用版。 如果你登录到 Microsoft 365 或非订阅版本的 Office，该版本已预安装在新设备上，但没有与你的帐户关联的Microsoft 365 产品或非订阅版本的 Office，你将看到此屏幕。

Reinstall OneDrive for Windows. The OneDrive app comes with some versions of Windows 10 and 11. Select the Start button, type Programs in the search box, and then select Add or remove programs.

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.

Note: The Automatically save passwords setting has been retired with Microsoft Edge version 124 and later. Instead, Edge will offer to save your passwords each time you enter new credentials in the Edge browser. All your previously autosaved passwords will continue to be available for a seamless login.

Controller serial numbers are 14 characters long and don’t include dashes. Your controller serial number may not be recognized if you’ve never connected your controller, or if you connected for the first time within the last 48 hours.; If you have the Xbox Elite Wireless Controller Series 2, the 14-character serial number is in the lower center on the back of the controller.

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，请转到“登录并安装 Office”的部分。

If you’re an administrator, you can use the Office Deployment Tool to manage your Office 2016 Click-to-Run deployment options, such as installations sources, product and language combinations, or deployment configuration options.

準備安裝了嗎？ 開始之前，請確定您的PC或Mac符合 系統需求。. 如果您已兌換產品密鑰，只要重新安裝應用程式，或是知道您已透過公司或學校指派授權，您可以跳到登入以 下載並安裝 Microsoft 365 或 Office 一節。 不過，如果這是您 第一次 安裝 Microsoft 365或 Office，您可能需要先執行一些步驟。