• Create account @ ​https://github.com/
• Fork ​https://github.com/molgenis/molgenis &  ​https://github.com/molgenis/molgenis_apps
• download github command line version 
• @commandline try retrieving projects by CLONING : 
  • create folders, cd there and try : 
    • git clone https://github.com/molgenis/molgenis.git
    • git clone ​https://github.com/molgenis/molgenis_apps.git

update project  = pull project

• go to git directory 
• git pull --all

"commit" = push  a change :