If you wish to uninstall LW on a mac, all you need to do is Control-click on the program file & choose Move to Trash. If it won't allow you to do this, Control-click the program & choose Get Info, then look at bottom of the information window at Permissions. You may need to add yourself as Read & Write permissions. First you will need to click the lock icon to unlock it & add your password. Then press the + sign & add your account name. Then Change privileges to Read & Write via the drop down menu option. Close the window. Control-click the program again, select Move to Trash. Empty Trash.

You MUST have administrator permissions on that computer in order to change such program file permissions.