Curb gem will not install correctly to use RVM

Question

Installed Ruby 2.2.4 x64 Windows.

Installed the correct DevKit.

Installing RVM via Windows...Can't becuase I need the curb gem.

When I install the curb gem I get an error:

I'm trying to install the RVM from this site, using this command as well:

When I copy and paste the RVM into the command line i get an error that reads: 'curl is not recognized as an internal or external command, operable program or batch file.'

Same thing for the gpg line.

Answer 1

for windows, pik does manage rvm on windows