rvm install ruby-2.4.3

rvm install ruby-2.4.3

Searching for binary rubies, this might take some time.
No binary rubies available for: osx/10.12/x86_64/ruby-2.4.3.
Continuing with compilation. Please read 'rvm help mount' to get more information on binary rubies.
Checking requirements for osx.
Certificates bundle '/usr/local/etc/openssl@1.1/cert.pem' is already up to date.
Requirements installation successful.
Installing Ruby from source to: /Users/rich/.rvm/rubies/ruby-2.4.3, this may take a while depending on your cpu(s)...
ruby-2.4.3 - #downloading ruby-2.4.3, this may take a while depending on your connection...
ruby-2.4.3 - #extracting ruby-2.4.3 to /Users/rich/.rvm/src/ruby-2.4.3....
ruby-2.4.3 - #configuring..................................................................
ruby-2.4.3 - #post-configuration.
ruby-2.4.3 - #compiling..............................................................
ruby-2.4.3 - #installing.......
ruby-2.4.3 - #making binaries executable..
Rubygems 2.6.14 already available in installed ruby, skipping installation, use --force to reinstall.
ruby-2.4.3 - #gemset created /Users/rich/.rvm/gems/ruby-2.4.3@global
ruby-2.4.3 - #importing gemset /Users/rich/.rvm/gemsets/global.gems.............................................
ruby-2.4.3 - #generating global wrappers.......
ruby-2.4.3 - #gemset created /Users/rich/.rvm/gems/ruby-2.4.3
ruby-2.4.3 - #importing gemsetfile /Users/rich/.rvm/gemsets/default.gems evaluated to empty gem list
ruby-2.4.3 - #generating default wrappers.......
ruby-2.4.3 - #adjusting #shebangs for (gem irb erb ri rdoc testrb rake).
Install of ruby-2.4.3 - #complete
Ruby was built without documentation, to build it run: rvm docs generate-ri