Fix your audio drivers. Hardware problems can be caused by outdated or malfunctioning drivers. Make sure your audio driver is up to date and update it if needed. If that doesn't work, try uninstalling the audio driver (it will reinstall automatically).

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.

Fix Bluetooth problems in Windows. If you run into problems trying to connect to a Bluetooth device, here are some troubleshooting steps to try. Note: For general info about how to connect a Bluetooth device to your PC, see Pair a Bluetooth device in Windows.

使用 Xbox 主机链接帐户. 按“Xbox”按钮 打开导航页。. 选择配置文件和系统 > 设置 > 账户 > 链接的社交帐户。. 可以通过其中以下两种方式链接社交媒体帐户：. 现在可以使用 Xbox 移动应用扫描 QR 码。. 选择“链接”选项，在 Xbox 上启动 Microsoft Edge 应用。. 可以 ...

Add-ins provide optional commands and features for Microsoft Excel. By default, add-ins are not immediately available in Excel, so you must first install and (in some cases) activate these add-ins so that you can use them. Some add-ins are built in to Excel, such as Solver and the Analysis ToolPak.

Go to Profile & system > Settings > Account > Subscriptions. Choose the subscription that you want to manage, and then follow the steps to cancel. If eligible, you may be prompted to initiate a refund for your subscription.

Find everything you need to manage your Xbox account, profile, and more.

Use an add-in while composing a message. Create a new message or reply to an existing one. From the ribbon, select the Message tab, then choose the add-in you want to use. If the add-in doesn’t appear in the ribbon, select Apps to view your installed add-ins.

Sharing your Xbox Game Pass subscription. Update an Xbox subscription for you or your child. Making sure your Xbox digital subscription is valid for your country or region. Turn on recurring billing for your Xbox subscription. Get help with EA Play for Xbox.

You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.