若要使用 DirectX 诊断工具 检查你电脑上使用的是哪个版本的 DirectX，请选择 “开始” 按钮，在搜索框中键入 “dxdiag” ，然后按 Enter 。. 在 DirectX 诊断工具 中，选择 “系统” 标签页，然后在 “系统信息” 下面检查 DirectX 版本号。. 你首次使用 DirectX 诊断工具 ...

Solution 2: Update payment info at account.microsoft.com. Sign in at account.microsoft.com. Under Payment & billing, select Manage. Add a payment option or edit and save info for an existing option.

Volgende video. Nadat u zich hebt geregistreerd voor Microsoft 365, kunnen u en uw werknemers Office-apps installeren. Meld u aan bij het Microsoft 365-beheercentrum en kies Office-software. Onder Taal, kiest u de taal die u wilt gebruiken en kies vervolgens Installeren. Klik op Uitvoeren als u hierom wordt gevraagd.

Activate Windows using a product key. A product key is a 25-character code, that looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. During installation, you'll be prompted to enter a product key. Or, after installation, to enter the product key, select the Start button, and then select Settings > System > Activation > Update product ...

After you purchase software, the download will be shown in your Order history. To find a specific download, sign in to the Order history page with the Microsoft account you used to make the purchase. Find the software, and then select Product key/Install. Note: If you're having problems installing an app from the Microsoft Store, see Fix ...

Open Device Manager. Right-click the name of the device, then select Uninstall device. Select Uninstall and then restart your PC. Windows will attempt to reinstall the driver. If Windows doesn't find a new driver and reinstalling the driver doesn’t help, contact your PC’s manufacturer for help. Things to try to fix touchpad problems in ...

Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Check the recent sign-in activity for your Microsoft account if you get an email about unusual activity.

In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Select Update Driver. If Windows doesn't find a new driver, you can try looking for one on ...

Deinstallieren unter "Einstellungen". Wählen Sie " Einstellungen > Apps> Apps &-Features > starten" aus. Suchen Sie die App, die Sie entfernen möchten, und wählen Sie "Weitere > Deinstallieren" aus. Hinweis: Einige Apps können derzeit nicht aus der Einstellungs-App deinstalliert werden. Wenn Sie Hilfe beim Deinstallieren dieser Apps ...

Make sure you're using the latest version of Authenticator - Microsoft does not support any app versions more than 12 months old. Tap Settings and make sure App updates is turned on. Get the latest. Tap Settings and select Turn off battery optimization for better sync performance. Tap Settings > Notification Settings and make sure Show ...