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List of contents of this article:

• 1,supply chain transparency How to download and reinstall the system? Ask for a master's answer, thank you
• 2, Where to download and install the computer system
• 3,< A href='#How to turn downloaded applications into system applications on Android phones?' title='How to turn downloaded applications into system applications on Android phones?' > How to turn downloaded applications into system applications on Android phones?

How to download and reinstall the system? Ask the expert for an answer, thank you

Prepare 8GUOne disk, Baidu search and download the small white u disk boot disk making tool and Windows system mirror file, as shown in the figure below.

Download the ISO image file of the win7 system. After loading with the "virtual optical drive", the installer will start automatically; if not, click Windows 7 in "Computer" - "DVD Drive" and then double-click setup.exe to run.

You need to use software to make the USB disk into a boot disk, insert the USB disk, insert the USB disk boot disk into the computer that needs to reinstall the system, restart the computer and press the USB disk boot shortcut key when the first screen appears, call up the shortcut boot menu, press the arrow keys and enter key to select your own USB disk name to enter P E Select the interface and redo the system.

Where to download and install the computer system

1. Download Recommendation II: Earth ghost win10 64-bit The official version of the flagship adopts Microsoft's official win10 x64 simplified Chinese version as the source installation disk, which is carefully produced offline to ensure that the system is pure and non-toxic. System installationAfter automatic KMS cycle activation, if the computer has been activated, it will be activated with digital rights and can be used for free.

2. First, enter "https://" in the browser to enter the Microsoft official website download page, or enter "Windows 10 official website download" in the search engine, and click the first link to enter the download page.

3. First, open Baidu Search, enter win10 system download 2 in the Baidu search box, and then find the win10 preview version download plus installation key plus installation tutorial, click here to download and view 3, and then find the win10 preview version download address, click here to download 4 with 32-bit and 64-bit operations After clicking on the system download 5, an addition appears.

How to turn downloaded applications into system applications on Android phones?

First, unlock the phone, and then find and open the settings on the phone to find the application. Select all applications, find the software that needs to be deactivated, (some core applications cannot be deactivated) and click in. After clicking to enter, select Disable and confirm.

First, unlock the mobile phone, and then find and open the [Mobile Butler] software on the mobile phone desktop. Click to open the mobile phone butler and enter the page, then find [Software Management] on the page to open it. Then in the open software management page, find and select [Software] to open it.

--Application --Select Baidu Mobile Input Method--Uninstall the update. See the prompt. It has become a system program. If the factory settings are reset later, you can see this application after booting, but you need to open it and activate it. It is effective to test it yourself. When uninstalling this program again, the ordinary uninstall method cannot be uninstalled.

System applications refer to some applications built into the Android system, including the system's commonly used phone calls, text messages, cameras, music, etc., as well as the included google+, facebook, Gmail, YouTube and other applications.

The way to turn ordinary applications into system applications is to copy the apk file to the /system/app directory. In the Android system, the system application is under the /system/app directory, and the applications installed by ordinary users are under the /data/app directory.