Create Windows 11 installation media. On the Windows 11 software download page , select Create tool now and follow the instructions to install Windows 11. Warning: Microsoft recommends against installing Windows 11 on a device that does not meet the Windows 11 minimum system requirements.

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

Security. Microsoft will never proactively reach out to you to provide unsolicited PC or technical support. If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your “issue” fixed, it’s better to be safe and not click any links or ...

Protect yourself from phishing. Phishing (pronounced: fishing) is an attack that attempts to steal your money, or your identity, by getting you to reveal personal information -- such as credit card numbers, bank information, or passwords -- on websites that pretend to be legitimate. Cybercriminals typically pretend to be reputable companies ...

选择“家庭”屏幕右上角的绿色“帐户”图标，然后选择“添加儿童”>“添加现有账户”。. 输入要添加成员的电子邮件地址，然后选择“发送邀请”>“完成”。. 若要加入家庭组，受邀请者必须打开发送的电子邮件邀请，选择“立即加入”，然后按照屏幕上的 ...

Multiply numbers in different cells by using a formula. You can use the PRODUCT function to multiply numbers, cells, and ranges.. You can use any combination of up to 255 numbers or cell references in the PRODUCT function. For example, the formula =PRODUCT(A2,A4:A15,12,E3:E5,150,G4,H4:J6) multiplies two single cells (A2 and G4), two numbers (12 and 150), and three ranges (A4:A15, E3:E5, and H4 ...

To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? and select Yes. To contact us in Outlook.com, you'll need to sign in. If you can't sign in, click here .

使用产品密钥激活 Windows. 产品密钥是由 25 个字符组成的代码，如下所示：. 产品密钥：XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. 在安装期间，系统会提示你输入产品密钥。. 或者，安装后，若要输入产品密钥，请选择“ 开始 ”按钮，然后选择 “设置 > 系统 > 激活 > 更新产品密钥 ...

为Windows 11升级做好准备. 什么是 Microsoft 帐户. 备份 Windows 电脑. 获取有关你的 Microsoft 帐户的帮助.

如何兑换 Microsoft Rewards 积分. 有许多奖励可供你使用- 从 Amazon 到 Xbox - 全部来自 Microsoft。. 获得足够的积分后，符合条件的奖励将显示在“奖励”页面上。. 为大项目存钱，并在此过程中将你的积分花在较小的奖励上 - 无论你想要兑换你的积分，我们和你在一起 ...