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Uninstall or remove apps and programs in Windows
There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.
Fix sound or audio problems in Windows - Microsoft Support
Fix your audio drivers. Hardware problems can be caused by outdated or malfunctioning drivers. Make sure your audio driver is up to date and update it if needed. If that doesn't work, try uninstalling the audio driver (it will reinstall automatically).
How to use the PC Health Check app - Microsoft Support
How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version.
Finding your BitLocker recovery key in Windows
If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.
Change or reset your PIN - Microsoft Support
Change or reset your PIN. A PIN is a user-defined set of numbers, or a combination of numbers and letters, that allows you to sign in to your Windows device instead of a password. Your PIN is securely stored on your device, it isn’t transmitted anywhere, and it isn’t stored on a server.
激活 Windows - Microsoft 支持
激活 Windows 时遇到问题?. 首先,在“获取帮助”应用中尝试激活疑难解答。. 获取帮助可指导你完成解决大多数激活问题的正确步骤。. 打开“获取帮助”. 检查 Windows 激活状态. 首先需要查看 Windows 11 是否已激活并链接到你的 Microsoft 帐户。. 将 Microsoft 帐户链接 ...
在 Microsoft Store 中更改所在国家或地区 - Microsoft 支持
在 Microsoft Store 中更改所在国家或地区. 我们建议仅当迁至新的国家或地区长期居住时才更改所在地。. 这一点很重要,因为在 一个区域中获取的项可能无法在另一个区域中工作 。. 其中包括:. 应用、游戏、电影和 Microsoft 帐户中的余额。. 重要: Microsoft 帐户中的 ...
How to sign in to Hotmail - Microsoft Support
Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.
Applies To: Outlook.com
输入 Office 产品密钥的位置 - Microsoft 支持
如果所购买的 Office 或 Microsoft 365 随附有产品密钥,请在你的产品所对应的下列网站中输入产品密钥。. 输入密钥后,便可以下载并安装 Office,或可以续订 Microsoft 365 订阅。. 提示: 通过业务助手获取技术专业知识。. 与我们的小型企业顾问联系,帮助使 Microsoft 365 ...
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Office.com
Microsoft 帐户安全信息和验证码 - Microsoft 支持
添加验证 Microsoft 帐户登录的方法. 登录到 Microsoft 帐户的 “高级安全选项 ”页。. 选择“ 添加新的登录方式或验证 ”,然后选择接收安全代码的方式。. 注意: 无法添加 VOIP 号码作为登录或获取验证码的一种方式。. 我们会将安全代码发送到新号码或电子邮件 ...
Applies To: Microsoft account dashboard