Here’s the tip to download and update Xhorse VVDI2 full, VVDI2 VAG, VVDI2 BMW, VVDI2 PSA software within software itself (without downloading mega links).
Run VVDI2 Quick Start->Update Online
Software Update and Update Information->Software Update
Download Link 1 for Chinese machines
Download Link 2 for foreign VVDI2 key programmer.