Learn more about product keys, Workplace Discount Program, and volume licenses. Some Office 2019, Office 2016, and Office 2013 products come with a product key. If yours did, before installing Microsoft 365 for the first time, sign in with an existing or new Microsoft account and enter your product key at office.com/setup.

Be sure to redeem your rewards points in the same region you signed up in. Do not use a VPN while trying to redeem points. When redeeming points, use a mobile or landline phone number for authentication and not a VoIP phone number.

Learn how to manage your Microsoft subscription, including billing, renewal, and cancellation options.

Plan a remote gathering, create school projects, set health and fitness goals, and manage your household budget with the apps, tools, and features of Microsoft 365. Explore Microsoft Office help and training resources. Find how-to articles, video tutorials, and additional support for Office apps.

Learn more about our Xbox subscription refund policy. You can receive a refund within 30 days of your initial purchase or before your first recurring billing date (whichever is sooner) by canceling your subscription in the steps that are outlined in the section “Canceling a subscription.”.

Cast to a display from a Windows PC. You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.

When you upgrade to a Game Pass plan that includes benefits of a subscription you already have, we’ll convert remaining prepaid time and apply it toward your new plan at the current conversion ratio. See below for Game Pass Ultimate and Game Pass Standard upgrade details.

Last updated: October 31th, 2024. The new Outlook for Windows brings you the latest features, Microsoft Copilot-assisted capabilities, and a new modern and simplified design to help you connect, organize, and get things done.

如果这是你 第一次 安装 Microsoft 365，则可能需要先执行一些设置步骤。. 展开下面的 “了解详细信息”部分。. 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转到“ 登录并安装 Office ”的部分。. 提示: 如果你是小型 ...

为帮助你解决在安装 Microsoft 365 时因为速度慢或连接不可靠而可能遇到的问题，首先第一步请下载 支持和恢复助手 工具。. （有关此工具的信息，请转到 此处。. 脱机安装程序手动步骤. 如果 Microsoft 支持和恢复助手 不起作用，请按照以下步骤进行操作，这些 ...