Here’s the step-by-step instruction on installing Volvo PTT 2.03.20 16GB USB Flash Drive for 88890300 Vocom interface. Activation is required, we provide 1 time free activation, after that each activation costs 25USD. How to install Volvo VOCOM PTT 2.03 U Disk? Operating system: Windows 7 32-bit 1.Prepare one piece of empty hard disk over 120GB 2.Install well WIndows 7 O/S…