激活 Windows | Microsoft Support
激活是一个技术过程,用于将产品密钥或数字权利与设备的硬件配置配对。 这不评估副本本身的真实性,也不保证 Windows 副本是 正版 的。 它只确保产品密钥或数字权利对硬件配置有效。 另一方面,验证是检查关键 Windows 许可文件是否未被损坏、删除或删除,以及是否必须接收某些更新和下载的 ...
如何兑换礼品卡、代码和优惠 | XBOX Support
了解如何在移动设备、Windows 设备或 XBOX 主机上兑换Microsoft/XBOX 礼品卡或其他代码或优惠。
向 Microsoft 帐户兑换礼品卡或代码 | Microsoft Support
如何兑换礼品卡、Xbox 下载代码或令牌 Microsoft和 Xbox 礼品卡、下载代码和令牌的工作方式相同:一旦兑换到Microsoft帐户,即可在 Windows 或 Xbox 上的 Microsoft Store 在线商店 花费余额,并且可以获取最新应用、游戏、电影和电视节目的下载。 在某些国家或地区,你还可以购买 Surface、Xbox 和配件。
Applies To: Microsoft account dashboard
Using a Microsoft account balance to make a purchase
If you're trying to buy a game or an add-on using your Microsoft account balance, you may not have enough funds in your account to cover the total cost of the item. For example, if you try to buy a game that's listed as $9.99, and you have a Microsoft account balance of $10.00, that amount wouldn’t be enough to cover the taxes, so you'd need to add more funds pay the total balance.
查找你的 Windows 产品密钥 | Microsoft Support
了解如何查找用于激活的 Windows 产品密钥,以及何时改用数字许可证。
Applies To: Microsoft account dashboard
July 14, 2026—KB5099538 (OS Build 17763.9020) | Microsoft Support
Windows Server 2019 Windows 10, version 1809 Applies to: Windows Server 2019 This security update includes fixes and quality improvements that are part of the following update: June 9, 2026—KB5094123 (OS Build 17763.8874) The following is a summary of the issues that this update addresses when you install this update. The bold text within the brackets indicates the item or area of the change ...
向 Microsoft 帐户充值 | Microsoft Support
若要向Microsoft帐户余额充值,你需要在“ 兑换 ”页面上兑换Microsoft礼品卡。 全部金额将充值到你的 Microsoft 帐户中,可用于购买电影、游戏、应用程序内购买和实物商品。 它可以用于购买 Xbox 相关订阅,但不能购买 Microsoft 365 订阅。 有关分步说明,请参阅 向 Microsoft 帐户兑换礼品卡或代码。
Applies To: Microsoft account dashboard
Windows 中的备份、还原和恢复 | Microsoft Support
本文介绍 Windows 中备份、还原和恢复方案的基本概念,并说明了这三个关键过程之间的差异。 备份 是指创建数据副本以防止数据丢失或损坏的过程。 这些副本可以存储在外部驱动器、云存储或其他安全位置。 定期备份可确保在发生意外删除、硬件故障或其他数据丢失事件时提供最新版本的文件 ...
July 14, 2026—KB5101649 (OS Build 28000.2525) | Microsoft Support
Improvements This update includes new features and quality improvements that were part of the following update: June 9, 2026—KB5095051 (OS Build 28000.2269) June 23, 2026—KB5095091 (OS Build 28000.2340) Preview This update addresses security vulnerabilities documented in the following guide: July 2026 Security Updates The following summary outlines key quality improvements addressed by ...
帐户帮助 | Microsoft Support
获取有关 Microsoft 帐户的帮助。 了解如何设置 Microsoft 帐户,如何保护它,并使用它来管理服务和订阅。