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About Genuine Windows - Microsoft Support
There are a few common scenarios in which Windows running on a PC might be discovered to be non-genuine during validation. Repairs. If your PC has been repaired, you might start to see messages on your desktop that Windows isn't genuine.
“Microsoft 手机连接”和“连接至 Windows” 简介 - Microsoft 支持
自从我们在 2018 年 10 月首次宣布“你的手机”和“你的手机助手”应用以来,这是一个令人兴奋的旅程。 从那时起,我们就开始把所有重要的功能和内容从 Android 手机带到了 Windows 电脑。
Use an eSIM to get a cellular data connection on your Windows PC
An eSIM lets you connect to the Internet over a cellular data connection. With an eSIM, you don't need to get a SIM card from your mobile operator, and you can quickly switch between mobile operators and data plans.
下载Microsoft Authenticator - Microsoft 支持
中国的身份验证方法. 中国仅提供有限的身份验证方法。 用户可以将 Authenticator 设置为在其设备上接收可用于验证其身份的验证码,而不是使用推送通知进行双重验证。
Windows 10 更新助手 - Microsoft 支持
此疑难解答将为计算机尚未更新至最新版本 Windows 10 版本 1607 的客户提供协助。 此更新最初只会发布给一小组有针对性的客户。 这些客户会随着时间的推移而扩展。 Windows 用户可以从本文启动助手。
My Account portal for work or school accounts - Microsoft Support
Sign in using two-step verification or security info; Create app passwords in Security info (preview) Set up a phone call as your verification method
OneDrive help & learning
Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.
Microsoft Store & billing help
Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.
Internet Explorer Downloads - Microsoft Support
Microsoft Edge is the recommended browser by Microsoft. Support for Internet Explorer ended on June 15, 2022. Internet Explorer 11 has been permanently disabled through a Microsoft Edge update on certain versions of Windows 10.
Back up your Windows PC - Microsoft Support
Step 2: Back up your folders. Windows Backup is an easy, single stop for all of your backup needs. Your free Microsoft account comes with 5 GB of OneDrive cloud storage (and more storage is available if you need it), and backing up your folders syncs the folders you specify to your OneDrive account, making them instantly accessible on all computers that you use with this Microsoft account.