In cmd prompt, I just tried to new rails app using, ~/documents>rails new app_name It throws an error as, Gem::InstallError: The 'json' native gem requires installed build tools. -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/a1af13a78eb723f47c581e3f78e53cbe%40ruby-forum.com. For more options, visit https://groups.google.com/groups/opt_out.