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.

To redeem a Microsoft gift card, Xbox download code or token, select Redeem code below, sign in, and enter or paste the code or token value. Redeem Code. Tip: If you bought the wrong code, please contact the retailer.

On the Wi-Fi quick setting, select Manage Wi-Fi connections . Choose the Wi-Fi network you want, then select Connect. Type the network password, and then select Next. Fix Wi-Fi connection issues in Windows. Learn how to connect to a Wi-fi network in Windows and manage your current network connections.

To find downloads on your PC: Select File Explorer from the taskbar, or press the Windows logo key + E. Under Quick access, select Downloads. Note: If necessary, go to the View tab, select Navigation pane, and ensure that Navigation pane is checked.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

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.

Installing Windows 11 on devices that don't meet minimum system requirements. If you changed your hardware in order to upgrade to Windows 11 and the system is not recognizing the change in a timely manner, this article explains how to initiate the assessment manually.

深入了解代碼. 許多來自其他發行者的代碼看起來可能很相似，但有些 Xbox 遊戲所含的代碼應該在遊戲發行者的網站使用，而不是透過 Xbox 使用。. 請確定您嘗試兌換的代碼是 Xbox 所支援的代碼。. 備註 如果您的 Microsoft 帳戶遭到停權或尚有未付餘額，將無法兌換 ...

If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try to restore it from a previous version.

TPM 2.0 is used in Windows 11 for a number of features, including Windows Hello for identity protection and BitLocker for data protection. In some cases, PCs that are capable of running TPM 2.0 are not set up to do so. If you are considering upgrading to Windows 11, check to ensure TPM 2.0 is enabled on your device.