To downgrade to CostX6.6 from CostX6.7 you will have to completely uninstall your current version of CostX including selecting “No” when asked if you would like to keep the database.
Then reapply for a CostX6.6 serial and continue with a fresh install.
Hope this helps!
CostX Forum Admin
- This reply was modified 5 years, 4 months ago by RIB CostX.