Customer FAQs Discover answers to the most frequently asked questions from ADT customers with the click of a button. 1. Do I need any special software for my PC or Mac? Your computer should have the latest JavaTM and QuickTime® applications. If you are not sure if you have these applications, please go to the following websites to download the latest software for your PC or Mac.Free downloads www.java.com and www.apple.com/quicktime.