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 ...

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.

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 provide any personal information.

Here are some ways to deal with phishing and spoofing scams in Outlook.com. Spoof Intelligence from Microsoft 365 Advanced Threat Protection and Exchange Online Protection help prevent phishing messages from reaching your Outlook inbox.

兑换礼品卡和充值码以进行 Xbox 购买和延长 Xbox 订阅。. 代码的长度为 25 个字符，包括数字和字母，并且采用横竖 5 个字符的 5x5 格式。. 代码可以是你从 Microsoft 或受信任的零售商处购买的数字卡或物理卡。. 请注意，如果帐户的未结余额或付款选项不再有效 ...

他のアカウントで使用していないパスワードを設定することをお勧めします。. パスワードを変更するには、次の [セキュリティ設定] セクション に進みます。. Microsoft アカウント. パスワードを覚えていない、または変更されている可能性があると思われる ...

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

If you need to reinstall Office, select the version you want to install and follow those steps: Microsoft 365, Office 2019, Office 2016, Office 2013, Office 2010, or Office 2007. How to uninstall Office automatically.

当你尝试兑换在 Xbox One 或 Xbox.com 上购买的数字代码时收到以下错误消息之一：. 兑换其他充值码。. 你尝试兑换的充值码所针对的货币与你的帐户位置不符。. 如果你更改了你的位置，请在“设置”中更新与你的账单帐户相关联的位置。. 此充值码在你所在地区不 ...

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.