Win7 upgrade win10 c disk how to clean up how to remove residual files

                                                                                                                                                                                         

Win7 upgrade win10, the original system will have a lot of residual files, occupy c disk space, these files are used to restore to win7, such as my windows
.old folder has 10 G size. So friends who want to restore to win7 should not delete these files.

Because win10 adopts new digital license, direct installation win10 can't be activated with win7 cdkey, it can only be activated automatically after win7 activation upgrade to win10.

Thinking that the residual files of win7 can be deleted, you can also reinstall win10, because Microsoft recorded the hardware information (no need to login windows account), format reloading win10 will be automatically activated, of course, online The user cannot be activated after reloading!

The cleaning procedure is also very simple, as follows:

1, open “this computer
” , right click on the mouse Disk & rdquo;, pop-up menu, select “ attribute & rdquo;, click & ldquo; disk clean & rdquo;

2, & ldquo; disk cleanup & rdquo; dialog box click & ldquo; clean System file”

3, select "Previous windows installation" and "temporary windows installation file", click OK.

4, click “ is & rdquo; OK delete, delete can not be restored to the original win7 system

More than 4 million users use 360 ​​developed Win10 upgrade assistant to detect the computer. The results show that the measured computer CPU failure rate is only 0.01%, the memory configuration is not up to standard (less than 1GB) ratio is only 0.38%, the main reason for not meeting the upgrade conditions is the hard disk. For this reason, 360 upgraded its "Win10 upgrade assistant", added the "system disk slimming" function, while detecting the computer, it can solve the problem that Win10 cannot be upgraded due to insufficient hard disk space. Less than Potato PE
upgrade Win10 system disk space remaining solution


figure: an upgraded version of & ldquo;
Win10
Upgrade Assistant & rdquo; has a hard disk as a weight-loss system

The Win10 upgrade report shows that in computers that do not have the conditions to upgrade Win10, the CPU does not meet the standard of 0.01%, the memory does not meet the 0.38%, the system non-NTFS format is 4.47%, and the remaining space of the system disk is insufficient. 32.44%, it can be seen that the lack of hard disk space has become the main constraint factor for the upgrade. Potato PE upgrade Win10 system disk lack of space solution

For hardware configuration can not meet the upgrade Win10 condition of the computer, 360 security guards have been upgraded to the built-in Win10 upgrade assistant based on the original function, the new version Win10 upgrade assistant comes with "system disk slimming" function, users can complete the optimization of the system disk through this function without cumbersome operation, and expand the remaining space of the system disk to the standard required by Win10. Non-360 security guard users can also download 360 Win10 upgrade assistant to test and optimize the computer. If the hardware configuration has reached the standard or the user has reached the standard after the system is slimmed down, no further operations are required. After the official opening and upgrade of Win10, 360 security guards will remind the user to upgrade at the first time. You can automate the upgrade to Win10 by selecting it. Potato PE upgrade Win10 system disk lack of space solution
For users, this new upgrade "Win10 upgrade assistant", not only before Win10 before, after upgrading Win10, users can often use this The function is to slim down the computer hard disk, so the system can run well, and the phenomenon of jamming and the like will not occur when watching movies and playing games on the Internet. The slimming function of this hard disk is still very practical.