As a rule, users have difficulties during new system usage because of its difficult menus, forms, reports etc. In this case the best decision is the users education.
Training in groups
A lot of employees is being learning in short terms. Everyone listen all questions answers.
Each employee learns about his (her) own part of work
The mixed form
Combines both options
Training based on materials, available through the Internet.
You purchase the box with materials with the chosen course and perform the given tasks.