Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can download and install Office, or you can renew your Microsoft 365 subscription. Tip: Get tech expertise with Business Assist.

Chat or receive a call back from a technical support expert: If you have a Microsoft 365 Basic, Microsoft 365 Personal, or Microsoft 365 Family subscription, get questions answered from anywhere via chat or request to receive a call back from one of our technical support experts.

Set up Office apps and email on a mobile device. Learn how to share Microsoft 365 Family subscription benefits with up to five people. Manage invitations, devices, and people you've shared Office with.

If you pre-ordered a game and want to cancel, you can do so up to 10 days before the game launches at: Order history. After this time, you may be billed, and you’ll need to request a refund to cancel your order. For more info about digital game pre-orders, see: Pre-order Xbox digital games in the Microsoft Store.

Remote Assistance Support from Microsoft allows a Microsoft support professional in another location to view your computer screen and work on your computer over a secured connection. Protect yourself from tech support scams. Before clicking 'I accept', review the: By selecting the ‘I accept’ option of Remote Assistance support from ...

Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.

您使用 Microsoft Teams（免费版）可能须受您组织政策（如有）的约束。请将您的隐私咨询（包括任何数据主体请求）发送至您所在组织的管理员。您所加入组织的管理员可以(i) 控制和管理您的帐户（其中包括修改和终止您的访问权限），并可 (ii) 访问和处理您的数据（其中包括您的通信内容和文件 ...

From the Overview page, select Office apps and on that page, find the Microsoft 365 product you want to install and select Install. To install Microsoft 365 in a different language, or to install the 64-bit version, use the dropdown to find more options.

You can manage all of your Microsoft subscriptions in your Microsoft account dashboard. Select each subscription to change when and how you pay, or to see order history & receipts. Choose your account type.