I'm Jemal Ali Beshir, 3C PLC manager, I am an ArcGIS user since its first version.
Hello @jemalali - Welcome to Esri Community. Hera are a few places to check out to get started in the community:
Products - Esri Community
Industries - Esri Community
Developers - Esri Community
Learning - Esri Community (Learn ArcGIS, Esri Press)
Services - Esri Community (Training, Certification, My Esri...)
Cheers,
