What is the upgrade path from TDM 4.0 to current.
It is recommended that if you're going to upgrade from an older release, to upgrade in iterations.
For example, from 4.0 - it is recommended to go from:
4.0 -> 4.2;
4.2 -> 4.4;
4.4 -> 4.6;
4.6 -> .. etc.
What is the upgrade path from TDM 4.0 to 4.5?
Upgrade paths are available.
TDM 4.0 -> 4.2 ;
TDM 4.2 -> 4.4 ;
TDM 4.4 -> 4.6
Here is the Communities link for the Documentation for the upgrades:
Also, our SWAT team offers a no charge assistance in upgrades!