Hello and welcome to the forum! For some getting started advice:
Orchids - River Valley Orchidworks - Care and Cultivation Guide
and
AOS | Members Only Area
Not really members only

and if you really want to get into it, read this series of articles by Dr. Yin-Tung Wang:
https://sharepoint.agriculture.purdu...20Part%201.pdf
https://sharepoint.agriculture.purdu...20Part%202.pdf
https://sharepoint.agriculture.purdu...20Part%203.pdf
http://www.staugorchidsociety.org/up...sis_Part_4.pdf

The first is typically the first of many.
Joe