How Win8 Uninstalls

Win8 is uninstalled from dual systems as follows:

1. Virtual machine test created on Hyper-V platform, divided into three partitions in 127GB hard disk ( A 100MB partition is created by the system itself, and the size is 50GB, 50GB, 27GB. The Windows 7 system is installed in the first primary partition (ie, the red box below).

2. In addition, Windows 8 selects the second primary partition during the installation process (ie, the red box below).

3, normal boot, in the boot system selection interface, select “ Windows 7 & rdquo; system.

4, after entering the system desktop normally, use the "Win+R" key to bring up the running dialog box, type "msconfig", and then click the "OK" button or enter.

5, in the pop-up system configuration interface, click the "Boot" tab, click on the "Windows 8 (D: Windows) default OS" in the list, make it selected, and then click & ldquo ; delete the & rdquo; button, and finally click the “ OK & rdquo; button.

6, the system will prompt to restart to apply the changes, to ensure that all current work has been saved, click the "Restart (R)" button.

7. When the system restarts, it will not prompt any system selection information. Instead, it will directly boot Windows 7 as in the normal single system, and the F8 hotkey can still be used to bring up the advanced startup menu during the boot process. However, you need to enter the system and delete some files and directories of the D drive (the original Windows 8 system disk). After entering the system desktop normally, open the computer or explorer and double-click the D drive.

8, in the root directory of the D drive, use the left mouse button with the Ctrl hotkey to select Perflogs, Program Files, Program Files (X86), ProgramData (the default is hidden attributes, do not delete or affect, size only For five or six megabytes), Windows, users, a total of six folders (do not delete any folders other than this, to avoid data loss). After selecting it, right click on the folder and select the “Delete(D)” button in the popup menu.

9. The system will remind you whether to confirm the deletion of multiple items. After confirming the correctness, click the “(Y)” button.

10, the system will automatically remove the relevant items to the recycle bin. If the confirmation data has no effect, you can clear the service station. If the data has an impact, you can restore it according to the actual situation.

11. If the system prompts that the folder access is denied, you can check the operation for all current items (A) & rdquo;, and then click the "Skip(S)” button.

12, if you must delete the directory with administrator privileges, you can right click on the directory and select the "Properties" button.

13. In the pop-up Properties dialog box, click the “Advanced (V)” button under the “Security” tab.

14. In the Advanced Security Settings dialog that pops up, click the <Edit(E)…” button under the "Owner" tab.

15. Click on “Windows7 (Windows7-PCWindows7” in the owner change list) (Note: the actual administrator account needs to be selected, and the Windows 7 account in the figure below is the administrator), and then check “ Replace the owner of the child container and object (R) & rdquo;, and finally click the "OK" button.

16, the system will prompt information, click the "Y" & rdquo; button

17. Continue to click the “OK” button (note: the processing time after the operation depends on the number of files).

18, then click on the “Permissions” tab. "Change permissions (C) & hellip; & rdquo; button.

19, in the pop-up advanced security settings interface, respectively, check "include" permissions that can be inherited from the object's parent (I) & rdquo ; and “ replace all child object permissions (P)” with permissions that can be inherited from this object, and then click the <;OK” button.

20, then according to the information dialog box prompted by the system, click &ldquo ; Yes (Y) & rdquo; button (Note: processing after operation) Depending on the number of files.)

21. After changing the permissions, click the “OK” button.

22. At this point, you can see that the administrator rights have been deleted and modified. Function, click the “OK" button to delete the folder in the normal way.

23, other folders can also be operated in this way, the key point is to change the owner, replace the subcontainer, change Permissions.