Turn Bluetooth off and then on again.. Swipe downward from the top of your screen to reveal the Android Notification panel.

Smart App Control adds significant protection from new and emerging threats by blocking apps that are malicious or untrusted. Smart App Control also helps to block potentially unwanted apps, which are apps that may cause your device to run slowly, display unexpected ads, offer extra software you didn't want, or do other things you don't expect.

We would like to show you a description here but the site won’t allow us.

Turning on the Memory integrity setting would block these incompatible drivers from loading. Because blocking these drivers might cause unwanted or unexpected behaviors, the Memory integrity setting is turned off to allow these drivers to load.

To reset the Hosts file back to the default, follow these steps: 1. Open Notepad. To do this, search for “Notepad” using Cortana, and then tap or click the Notepad icon.. 2. Copy the following text, and then paste the text into the file:

查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。

Select the History tab, and choose how you want to view your history by selecting a filter from the menu.To delete specific sites, right-click a site from any of these lists and then select Delete.Or, return to a page by selecting any site in the list.

注意: Windows 10 会自动安装驱动程序，因此你不必选择需要的更新。在极少数情况下，特定驱动程序可能会暂时导致设备出现问题。 在这种情况下，可以回退到以前的版本，以防止下次进行 Windows 更新时自动重新安装有问题的驱动程序。

Prevents Windows Update from performing driver installations and sending restart notifications; Helps achieve a more stable frame rate depending on the specific game and system

The Windows 10 free upgrade offer ended on July 29, 2016. To upgrade to Windows 10, you will need to have a compatible PC and purchase a full version of the software.We recommend that you don’t install Windows 10 on an older device, as some Windows 7 devices are not compatible with Windows 10 or could experience reduced feature availability.