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 ...

To install Authenticator on your Android device. Scan the QR code. or download and install Authenticator from the Google Play store. Get the app.

Microsoft 帐户帮助和支持. 获取有关登录、锁定或账户盗用、链接帐户、关闭、重新打开，以及更新安全信息和帐户配置文件的帮助。. 获取有关 Microsoft 帐户的帮助.

如何获取 Surface 的维修或维修. 若要获取个人 Surface 设备 (而不是商业设备) 的服务，可以发送它，以便使用认证部件的受信任专家执行优质服务。. 你很快就能取回自己的 Surface，继续出色地完成工作。. 注意: 如果 Surface 是组织) 拥有 (商业设备，请参阅 适用于 ...

Open Safari, then choose Safari > Preferences, then select General. In the Homepage field, enter a wepage address. To simply use the webpage you're currently viewing, select Set to Current Page. Choose when your homepage is shown. Open new windows with your homepage: Select the New windows open with pop-up menu, then choose Homepage.

在 Microsoft Edge 中，通过右键单击地址栏并选择上下文菜单中的"复制"，或者选择地址并按 Ctrl + C，从地址栏中复制该 URL。. 在应用中，按 Ctrl + Shift + V 粘贴 Web 地址。. 如果要粘贴到 Microsoft Edge 的应用或网站中，也可以右键单击，在上下文菜单中选择"粘贴"，然后 ...

You can choose your desktop background and change it at any time. Select Start > Settings > Personalization > Background. In the list next to Personalize your background, select Picture, Solid color, Slideshow, or Windows Spotlight (to see a new image from around the world every day). Note: If you can't select the Windows Spotlight option, your ...

Select Start , and then select Power > Hibernate. Press the Windows logo key + X on your keyboard, and then select Shut down or sign out > Hibernate. Note: If devices connected to your PC (like monitors, printers, or scanners) aren't working properly after waking up from sleep or hibernate, you might need to disconnect and reconnect your device ...

Select Security info in the left menu or by using the link in the Security info pane. If you have already registered, you'll be prompted for two-factor verification. Then, select Add method in the Security info pane. On the Add a method page, select Authenticator app from the list, and then select Add. On the Start by getting the app page ...

If you don't have a desktop PC and the slider doesn't appear or work, try updating the display driver. Select Search on the taskbar, type Device Manager, and then select Device Manager from the list of results.In Device Manager, select Display adapters, then select the display adapter.Press and hold (or right-click) the display adapter name, then select Update driver and follow the instructions.