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Ways to install Windows 11 - Microsoft Support
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.
Find your Windows product key - Microsoft Support
Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it. A digital license (called a digital entitlement in Windows 10, Version 1511) is a method of activation in Windows 10 and Windows 11 that doesn't ...
Applies To: Microsoft account dashboard
Windows Update Troubleshooter - Microsoft Support
If you get an error code while downloading and installing Windows updates, the Update Troubleshooter can help resolve the problem. Select Start > Settings > System > Troubleshoot > Other troubleshooters. Next, under Most frequent, select Windows Update > Run.
Reset or recover your lost Microsoft account password
Follow these steps to reset your Microsoft account password. If you know the email address that you used to set up your Microsoft account (which is used to sign in to your Xbox profile), you can reset your password now: Go to Reset your password and enter your email address.
Protect yourself from tech support scams - Microsoft Support
It blocks known support scam sites using Microsoft Defender SmartScreen. Also, Microsoft Edge can stop pop-up dialog loops used by these attackers. Tip: Click here for a free, printable sheet of tips for spotting tech scams that you can keep for reference or share with friends and family.
NAT type on Windows displays "Teredo is unable to qualify"
NAT type on Windows displays "Teredo is unable to qualify". If you can’t connect to an Xbox multiplayer game on Windows 10, go to Settings > Gaming > Xbox Networking. Look for NAT Type. If the status says Teredo is unable to qualify, it means your PC is unable to obtain a Teredo IP address.
Give your PC a Fresh Start - Microsoft Support
Give your PC a Fresh Start. Resetting your PC lets you perform a clean reinstallation and update of Windows while keeping your personal data and most Windows settings intact. In some cases, a clean installation may improve your device's performance, security, browsing experience, and battery life.
Recovery options in Windows - Microsoft Support
Your PC isn't working well and you recently installed an app. Restore from a system restore point. You suspect your device has been infected. Use installation media to reinstall Windows 11. Select one of the recovery options below and follow the steps to try to get things working again.
Xbox Game Pass Ultimate 常见问题解答 | Xbox Support
如何改为使用 Xbox Game Pass Ultimate?. 在主机上,通过“Microsoft Store” > “会员资格”,获取 Xbox Game Pass Ultimate。. 如果在线,可转到 Xbox Game Pass。. 购买 Game Pass Ultimate 后,Xbox Game Pass、Xbox Live Gold 或 EA Play 的任何订阅预付时间都会按照当前转换率自动转换为 Xbox ...
Multiply and divide numbers in Excel - Microsoft Support
Calculation operators and order of operations. Create a simple formula to multiply and divide in an Excel spreadsheet. You can multiply two or more numbers in one cell or multiply and divide numbers using cell references. All formulas in Excel begin with an equal sign (=).
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016