How to delete the Windows7 system. OLD dynamic file

found that the space of the C drive installed a Windows7 and has actually occupied dozens of G, what is going on? Look carefully, found a WINDOWS.OLD folder under the C drive, great! What is this stuff? Ankan about the stuff inside, we found out that in Windows7 the installation of the operating system before the backup directory!

some special directory, can not be deleted WINDOWS.OLD Folder, otherwise it will cause Explorer to crash. ? So how to operate easily delete the folder it Windows.OLD

1, find cmd.exe file (in the "Start - & gt; program - & gt; Accessories"), the right mouse button to select the "Administrator run "

2, run the command

rd /S /Qc: Windows.OLD

or

rd /S /Q $ Windows.OLD

3, when you are prompted to confirm the deletion target Windows.OLD folder, confirm the input y and press enter.