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.

Find operating system info in Windows 11. To find out which version of Windows your device is running, press the Windows logo key + R, type winver in the Open box, and then select OK. Here’s how to learn more: Select Start > Settings > System > About . Open About settings.

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.

For help from an agent, follow the Get help link below to chat or request a call—we’ll call you so you don’t have to wait. For even faster help, search for your topic on our site. Get help.

Select your version of Microsoft 365 below to learn how to activate Microsoft 365. Activate Microsoft 365 or a non-subscription version of Office. Activate Office that's pre-installed on a new Windows device. Activate an Office purchase or offer that's included on a new Windows device.

Cancel Microsoft 365 with the help of a support advocate. If you're thinking of cancelling a Microsoft 365 subscription or need help switching to another plan that better meets your needs, support agents are available to help. Request a call back.

You can link your social media account in one of two ways: Use the Xbox mobile app to scan the QR code. Select the Link option which will launch the Microsoft Edge app on Xbox. You can choose to link your Discord, Reddit, Steam, Twitch, or other social media account.

If you can’t set the power mode in Power & battery settings, open Control Panel, select System and Security > Power Options, then choose a Balanced power plan. Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

您的目录数据（姓名、注册日期和电子邮件）可能会显示给管理员以及您所在组织的其他服务用户。 当您使用 Microsoft Teams （免费版）的社交功能时，您所在组织的其他最终用户可能会看到您的某些活动。

Change your password with your email provider. See the following sections for instructions on changing your email account password for several major email providers. If your email account provider isn't listed, contact your admin or the email provider's help desk.