激活一个全新的 Office 产品密钥. 解决激活错误. 激活 Microsoft 365 或非订阅版本的 Office. 当启动未激活的 Microsoft 365 应用时，系统将提示登录到 Microsoft 365。 请务必使用用于购买或订阅 Microsoft 365 的 Microsoft 帐户或工作或学校帐户进行登录。 注意: 如果新设备上预安装了 Microsoft 365，请参阅 激活新 Windows 设备上预安装的 Office 。 如果出现“激活”向导，则需要帮助激活 Microsoft 365。 按照向导中的提示激活 Microsoft 365。 使用“激活”向导获取激活 Office 的帮助. 激活新 Windows 设备上预安装的 Microsoft 365.

如何恢复遭到黑客攻击或受到威胁的 Microsoft 帐户. Microsoft account. 如果你的帐户遭到黑客攻击，请使用下面的登录帮助程序工具来帮助指导你使用正确的解决方案。. 该工具将询问你的电子邮件地址或电话号码，并显示适当的自助，或提供与代理交谈的机会。. 开始.

If you're a small business owner. Find the information you need to build, run, and grow your small business with Microsoft 365. Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

If you want to change or reset the password you use to sign in to Windows, you have different options. This article outlines the different approaches you can take, whether you’re using a Microsoft account or a local account, logged in or at the sign-in screen. If you use a PIN instead, see Change or reset your PIN .

You can pair all kinds of Bluetooth devices with your PC—including keyboards, mice, phones, speakers, and a whole lot more. To do this, your PC needs to have Bluetooth. Some PCs, such as laptops and tablets, have Bluetooth built in. If your PC doesn’t, you can plug a USB Bluetooth adapter into the USB port on your PC to get it.

The Stereo Headset Adapter supports the following 3.5mm audio headset types: A single 3.5mm audio cable headset. A dual 3.5mm audio cable headset with 3.5mm CTIA audio cables. A headset with chat audio provided via a 3.5mm audio cable and game audio provided via a separate cable with RCA or optical connectors.

Change mouse settings. You can customize your mouse in a variety of ways in Windows. For instance, you can swap the functions of your mouse buttons, make the mouse pointer more visible, and alter the scroll speed of the mouse wheel.

我的电脑是否已有 TPM？ 很可能你的电脑已经拥有TPM，而且如果使用年限小于 5 年，则应具有 TPM 2.0。 若要了解你的 Windows 10 电脑是否已拥有它，请转到“开始”>“设置”>“更新和安全”>“Windows 安全”>“设备安全”。如果已拥有，屏幕上将看到" 安全处理器 "部分。

Viva Engageにサインインする. engage.cloud.microsoft でサインインします。. または、Office.com で次の 手順を実行 します。. または、 https://login.partner.microsoftonline.cn でサインインします。. または、 https://portal.office.de でサインインします。. 画面 の左上隅にある ...

Dưới đây là cách diễn giải các công thức theo lô-gic: Sử dụng AND, OR và NOT với Định dạng Có điều kiện trong Excel. Trong Excel, bạn cũng có thể sử dụng AND, OR và NOT để đặt tiêu chí Định dạng Có điều kiện với tùy chọn công thức. Khi thực hiện việc này, bạn có thể bỏ hàm IF và sử dụng riêng AND, OR và NOT.