This topic is an index to answers for frequently asked questions about KiCad.
Updating from version 4 to version 5
Managing your projects
Invisible power input pins (Disclaimer: written for version 4, details in the answers might differ for newer versions.)
How does solder mask layer work? (Answers the problem “soldermask (F.Mask or B.Mask) looks different in pcbnew and in gerber file”)