How to change ownership of a file in Windows 10
Solution 1:
Try:
Taking ownership of a file or folder from command line
Open an elevated Command Prompt window.
To do so:
a. Go to > Start > All Programs > Accessories
b. Right-click on Command Prompt, and then click Run as Administrator.
c. Type the following command and press Enter key:
takeown /f [path to folder] /r /d y
d. Then assign the Administrators group Full Control Permissions for the folder, use this command and hit Enter key:
icacls [path to folder] /grant administrators:F /T
The /T parameter is added so that the operation is carried out through all the sub-directories and files within that folder.