How can I learn to use the program?

ARCHLine.XP
Download the free trial version here! Watch the ARCHLine.XP Interior Design, Intermediate and Advanced Interior Design courses here: https://www.archlinexp.com/webinars
Check the tutorial videos here: https://www.archlinexp.com/education/tutorial-videos

ARCHLine.XP LIVE
Download the free trial version here! Watch the online help videos here: https://www.archlinexp.com/products/archline-xp-live/learn-live