In Windows 7, there is a default permission set up for groups and user names to access a particular file or a folder. However, you can change the permissions for a particular file or folder. You can change the following permissions for a file or folder by this method: Full control, Modify, Read and execute, List folder contents, Read, and Write.
To change file, folder permissions for groups, user names in Windows 7, follow the below given steps:
1) Right click on the File or the Folder for which you want to change the permissions and then click on “Properties”.
2) In the Properties dialog box go to “Security” tab.
3) Click on “Edit” under “To change permissions, click Edit”.
4) Then, in Permissions dialog box, select the group or the user name for which you want to change permissions, and check the option “Allow” or “Deny” as per your requirements.
5) If the user name is not already present under “Group or user names”, click on “Add” button.
6) In Select Users or groups dialog box, enter the user name of the user under “Enter the object names to select”. Click on “OK”.
7) When you have made the changes, click on “Apply” and then “OK”.