Protect yourself from phishing - Microsoft Support
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 ...
Secure your account if you think you’ve been hacked
If you think your Microsoft account has been hacked, find out how to secure your account and check for unauthorized activity.
Microsoft security help and learning
Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.
Change your Microsoft account password - Microsoft Support
The steps below describe how to change a known password for a Microsoft personal account. If you need to reset your Microsoft account password because you forgot it, see Reset your Microsoft account password instead.
Applies To:
Microsoft account dashboard
How to add your accounts to Microsoft Authenticator
If this is the first time you're setting up Authenticator, you might receive a prompt asking whether to allow the app to access your camera (iOS) or to allow the app to take pictures and record video (Android). Allow the app to use the camera so that you can take a picture of a QR code in one step.
Approve a family member’s purchases and funds | Xbox Support
Learn how to approve child purchases on Xbox, manage spending limits, and ensure a safe gaming experience for your family.
更新安全处理器 (TPM) 固件 - Microsoft 支持
为什么我会收到这条消息? 许多运行 Windows 的设备都有受信任的平台模块 (TPM) 芯片集。 某些 TPM 芯片集存在安全漏洞,可能会影响操作系统安全性,这意味着 Windows 操作系统面临更大的风险。 你收到此消息是因为Microsoft已发布安全更新来解决需要下载和安装的漏洞。 此外,设备制造商发布了固件 ...
什么是域名仿冒? - Microsoft 支持
尽可能转到重要网站(如银行、社交媒体或从自己保存的收藏夹购物),而不是每次在浏览器的地址栏中键入它们。 如果确实必须在地址栏中键入地址,请仔细键入并双击检查键入的内容与要转到的地址匹配,然后再继续。 如果你正在键入之前转到的地址,浏览器可能会为你完成该地址。 请快速 ...
在 Windows 中卸載或移除應用程式和程式 - Microsoft 支援服務
拿掉應用程式和程式的方法有幾種,因此如果您找不到您要尋找的應用程式,您可以嘗試其他位置。 請注意,有些應用程式和程式已內建於 Windows,無法卸載。 如果程式只是執行不正確,您可以先嘗試 修復程式 。
激活 Office for Windows - Microsoft 支持
如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2024, Word 2024, Outlook 2024, PowerPoint 2024, Access 2024, OneNote 2024, Project Standard 2024, Visio Professional 2024, Visio Standard 2024, Office 2024, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Microsoft365.com, Project for Office 365