Windows8 how to delete the C drive windows.old folder

1. After upgrading to win8 through the network push method, I found that the C drive is extremely large, and there are actually more than 40 G.

2. Open the C drive and find a more windows.old folder, this folder is the windows system file before the upgrade,

3. After the upgrade, we can delete this file to give C Slimming. The method is to right click on the C drive --> properties, select “ Disk Cleanup &

4. In the pop-up "C: Disk Cleanup" dialog box, select "Clean System Files" ”

5. In the new pop-up "C: Disk Cleanup" dialog box, check the "Previous windows installation" before the

6. Click OK, it will pop up Confirm the deleted dialog box, click delete file will be