For pre-sales support, or issues with purchasing, contact Sales support. Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

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.

Get free Windows themes from Microsoft to personalize background, colors and sounds for your PC.

Block pop-ups in Microsoft Edge. The Microsoft Edge feature that blocks pop-ups is effective in preventing websites from automatically opening a new window or tab, or a partial window on top of your current web page. This feature is turned on by default.

If you don’t have access to the account that made the purchase, you’ll need to contact your financial institution for a refund. We provide digital game product refunds as part of a consistent and reliable buying experience.

使用 Microsoft Rewards 赢得积分. 做日常所做的事，即可赢得奖励积分。. 这很简单，而且免费。. 只需注册即可将 Microsoft Rewards 包含在 Microsoft 帐户中：. Microsoft Rewards. 注册后，登录到 Microsoft 帐户可查看当前积分。. 在 Bing.com 上，还可在帐户名称旁看到总积分。.

Get Microsoft account help. Manage your personal account from a single dashboard, including payment information, purchases, subscriptions, and more. Go to your dashboard. You can use a Microsoft account, or a work or school account to sign into your Windows device.

兑换礼品卡和充值码以进行 Xbox 购买和延长 Xbox 订阅。. 代码的长度为 25 个字符，包括数字和字母，并且采用横竖 5 个字符的 5x5 格式。. 代码可以是你从 Microsoft 或受信任的零售商处购买的数字卡或物理卡。. 请注意，如果帐户的未结余额或付款选项不再有效 ...

If you feel like you’ve been the target of a technical support scam, you can help Microsoft stop cybercriminals by reporting it. Learn more about avoiding technical support scams.

In the search box on the taskbar, type device manager, then select Device Manager from the menu.