How to change your product key to fix activation errors that can occur if you own and install multiple one-time purchases of Office..

A popular tactic of criminals is the "fake order" scam. The way it works is that you get a message, usually in email or text, that appears to be a routine confirmation for an order. Of course, you never ordered whatever product or service it's confirming. The message looks common enough, and it says that money will be charged to your credit card or withdrawn from your bank account for the ...

查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。

手写签名可让你的文档具有个人风格。 你可以扫描你的签名，将其存储为图片，然后在 Word 文档中插入签名。 扫描手写签名并插入手写签名的图片 在纸张上写下您的签名。 扫描该页面并以常见的文件格式将其保存在计算机上：.bmp、.gif、.jpg 或 .png。

Learn how to create and save a passkey to sign in to your Microsoft personal or work/school account and many other websites, apps and services.

How to add a signature to your Word documents. You can also use the Signature Line command in Word to insert a line to show where to sign a document.

Create new app passwords for a Microsoft work/school account If you use two-step verification with your work or school account and your administrator has turned on the security info experience, you can create and delete your app passwords using the Security info page.

Microsoft Defender is a new security app that helps protect you and your family across all your devices; Windows, Android, Mac, and iOS.

To download and install this Windows Update click the Windows Start button, then select Settings > Windows Update, and select Check for updates. Or, use the below shortcut and select Check for updates. Open Windows Update If you want to be among the first to get the latest non-security updates, go to the Get the latest updates as soon as they're available option, and set the toggle next to it ...

Download the Microsoft Teams mobile app for IOS and Android and connect with colleagues and peers remotely from anywhere on your mobile device.