准备好安装了吗？ 在开始之前，请确保电脑或 Mac 满足 系统要求。 如果你已兑换产品密钥，只需重新安装应用，或者知道你已通过工作或学校分配了许可证，则可以跳到登录部分 ，下载并安装 Microsoft 365 或 Office。但是，如果是 首次 安装 Microsoft 365 或 Office，可能需要先执行一些步骤。

设置 Microsoft 365 商业版订阅后，需要在电脑或 Mac 上下载并安装 Microsoft 365 应用，如 Word、Excel、Microsoft Teams 和 PowerPoint。 转到 microsoft365.com 并使用 Microsoft 365 帐户登录。

更新可让 Surface 发挥其最佳性能。 除了Windows 10或 Windows 11 的软件更新外，还必须进行硬件更新，也称为驱动程序和固件更新。 可以使用 Surface 应用快速检查 Surface 驱动程序和固件的运行状况。

Learn how to get to and manage your contacts in the People app.

Get troubleshooting steps for when you can't sign in to the Xbox app.

This article tells you how to add email accounts to the Mail and Calendar apps so you can start sending and receiving email and creating and managing events.

Office 2013 clients (including Outlook) support new authentication protocols and can be used with two-step verification. This support means that after two-step verification is turned on, you'll no longer need app passwords for Office 2013 clients.

Learn how to sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.

Use the Xbox Accessories app to configure your controller or headset for your preferred gaming experience.

Learn about the new Microsoft 365 app launcher, available through the Office portal, and how to use it.