Windows.old Detailed Introduction

If you install Windows 7 by performing a custom installation, instead of formatting the partition during Setup, the files used in previous versions of Windows are stored in the Windows.old folder. The type of file in this folder depends on your computer. After you use Windows 7 to reach a certain time (for example, a week or two weeks), if you are confident that your files and settings have returned to the location where you want them to be, you can safely reclaim disk space by using Disk Cleanup to remove the Windows.old folder.

How to know the computer system disk has no Windows.old file, the method is very simple, as long as in the computer search file search Windows.old can, search, then there are, search is not the description does not.

Here's how to clear the Windows.old file for detailed procedures:

1, click the Win7 left corner win7"Start button, and then enter Disk Cleanup in the search box, and then click Disk Cleanup in the results list to enter.

If you are prompted to select a drive (that is, which disk the system is installed on), click the drive (typically C) that installs the Windows system, and then click OK.

2. If a windows.old file exists in C disk, on the Disk Cleanup tab of the Disk Cleanup dialog box, click Clean System files. If the system prompts you to select the drive again, click the drive that installs Windows, and then click OK.

3. Select the previous Windows installation check box, and any additional check boxes that correspond to the files you want to delete, and then click OK.

4. In the message that appears, click Delete File.

Everyone can check their own computer system if there is a Windows.old file, if there is the existence of the operation can be deleted, but also a large free disk partition space Oh!