TecDoc Update Question

[steppenwolf]

I need to know for TecDoc update. For example I have installed 2010 version and now I wanna 2010/4. Do I have to install all three disks from 2010/4 or just the third one. Does the updates works like one on EsiTronic?

Thanks!

[smirnoff_rules]

l just installed the new one , its removed startup files for the old one and started again m8

ie didnt update