Notes: If you don't see Go to Microsoft Store on the Activation page, contact your organization's support person.. If you made a substantial hardware changes to your device (such as replacing the motherboard) and you have a valid product key, try to activate Windows by phone.

For a black screen, use the following keyboard shortcut: Windows logo key + Ctrl + Shift + B.

选择要打印每页的页数： 在一张纸上打印多页是一种有用的技术，可节省纸张、降低打印成本并创建文档的紧凑版本。 可在单张纸上打印的页数取决于打印机的功能和所选打印选项 (示例：每张) 1、2、4、6、9 或 16 页。

Install Windows 8.1 RT Update 3. When Windows Update notifies you that Windows 8.1 RT Update 3 is available, follow the on-screen instructions to download and install it.

Test your camera with the Camera app. Select Start , then choose Camera from your apps. If you're asked to allow access to the Camera, select Yes.If the camera works in the Camera app, the problem might be with the app you're trying to use.

在快速設定中： 若要尋找藍牙的快速設定，請選取工作列右側的時間和日期旁 的 [網路]、[音效] 或 [電池] 圖示。 選取[藍牙] 將其開啟。如果在未連接任何藍牙裝置的情況下開啟此功能，它可能會顯示為[未連線] 。 如果您在快速設定中沒有看到藍牙 ，您可能需要新增它。

Para cambiar el comportamiento de inicio, selecciona Al iniciar y, a continuación, selecciona lo que quieres que se muestre Microsoft Edge al iniciar.

Use the Xbox Accessories app to configure your controller or headset for your preferred gaming experience.

كيفية فتح التحقق من صحة الكمبيوتر. في Windows، استخدم البحث على شريط المهام للبحث عن "التحقق من صحة الكمبيوتر"، ثم حدده من قائمة النتائج.

Find out how to submit a case review and learn more about your Xbox enforcements.