I need a Windows 7 64bit program. Is this the one I need?
No, this software is not compatible with Windows 7 64bit, moreover, according to the presented statement on the official website, Maintenance Manager is a discontinued product.
"Maintenance Manager Software is no longer available. "
Visit the website and get in touch with the developers using the phone number on the page: http://www.jjkeller.com/shop/Product/J-J-Kellers-Maintenance-Manager