How To Delete Windows.old Folder Windows 10

May be among the readers who are already upgrading from Windows 7 or Windows 8 to Windows 10 ( if you want to upgrade silhakan read the article : How to Upgrade Windows 7 and Windows 8 to Windows 10 ) . If you install ( upgrade ) Windows 10 on the same drive where an existing Windows installation , the setup program will create a folder named Windows.old in the root drive. This folder contains a complete copy of the installation of Windows 8 or Windows 7 before, including a boot manager and installed applications . This is especially useful if you plan to remove Windows installed today and return to Windows before. It can also be useful if you forgot to transfer some files or settings for new installations . However , if you've completed the migration or upgrade , then Windows.old just be garbage spend your disk space . Here is how to remove the Windows.old folder using the OS built-in tool from Explorer .

1. Press Win + R keyboard keys simultaneously and then typing the following command

   Cleanmgr

2. Drive selection window will appear . Select C : ( any drive where Windows is installed , usually C :) and click OK .

3. Once the examination is complete click the Clean up system files .

4. The inspection process will run once again . Once completed you can see the size of            the Previous Windows installation ( s ) or if you take a look in the root folder called Windows.old . The amount is quite large , in this example is 9.12 GB . Click the OK button to do the cleaning

Tips:

In addition to using the " cleanmgr " You can also do it through Windows Explorer . Right-click the C: drive and select Properties , then you will find step no.3 and 4 .
You can of course also delete the folder C : \ Windows. old manually , but the application Disk Cleanup will remove the NTFS permissions automatically and all the files can not 
be accessed from your user account. In the case of manual removal , you will need to resolve their own access rights , otherwise you will not be able to delete the folder

C:\Windows.old.

Finished, congratulations to clean .