1. Right-click the folder and select Properties
2. Switch to the Security tab
3. Click Advanced
4. Switch to the Owner tab
5. Click Edit
6. Select Administrator
7. Tick Replace owner on subcontainers and objects
8. Click OK
9. Click OK to close the Windows Security information pop-up
10. Click OK
11. Click OK to close Properties
Please find the process depicted below (In rare cases this doesn't work try the takeown command described above):