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, friends, or acquaintances in a fake message, which contains a link to a phishing ...

If you can’t connect to or print from a shared printer in Windows 11, the issue may be caused by network settings, printer sharing configuration, driver mismatches, or Windows security changes. Follow the below steps to resolve the issue:

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Microsoft正在对永久许可证的激活体验进行现代化改造。 从 2025 年 12 月 3 日起，传统的基于电话的产品激活自动化过程已从电话转移到在线。 客户将改用产品激活门户： 产品激活门户 新的数字工作流提供更安全、更可靠且用户友好的激活体验，并有助于防止欺诈。 虽然该过程已更新，但脱机激活 ...

Secure Boot helps ensure that your device starts using trusted software. The Microsoft Secure Boot certificates originally issued in 2011 begin expiring in June 2026. To maintain protection against new boot‑level threats, Microsoft is updating devices with a new set of 2023 certificates. Most devices will receive these updates automatically, but some systems may require additional firmware ...

摘要 可通过不同的方法删除应用和程序，因此，如果找不到要查找的应用和程序，可以尝试其他位置。 请注意，某些应用和程序内置于 Windows 中，无法卸载。 如果程序未正确运行，可以先尝试 修复 程序。 从“开始”菜单卸载 选择 “开始 > 所有应用 ”，并在显示的列表中搜索该应用。 长按（或 ...

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找出 Windows 7 或 Windows 8.1 的產品金鑰 解除安裝或重新安裝 Windows 7 或 Windows 8.1 時，通常需要產品金鑰。 一般來說，如果您購買的是 Windows 的實體版本，產品金鑰應該會在 Windows 包裝盒內的標籤上或卡片上。 如果 Windows 已預先安裝在電腦上，產品金鑰應該會顯示在裝置上的貼紙上。 如果您遺失或找 ...

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To turn off your PC in Windows 10, select the Start button, select the Power button, and then select Shut down .