To set NTFS permissions for a file or folder:
1. Start Windows Explorer, and then locate the file or folder that you want to set permissions for.
2. Right-click the file or folder, click Properties, and then click the Security tab.
3. To configure permissions for a new user or group, click Add. In the Select Users, Computers, or Groups dialog box, type the name of the user or group that you want to set permissions for, click Check Names to verify the name, and then click OK.
4. To permit or deny a permission in the Permissions for User or Group list, click the user or group in the Group or user names list, and then click to select the Allow or Deny check box next to the permission that you want to permit or deny.
Or, to remove the group or user, click the user or group in the Group or user names list, and then click Remove.
5. Click OK.