How to upgrade Ruby to 2.0

Question

My ruby version is

ruby 1.9.3p374 (2013-01-15) [i386-mingw32]

and I am running under Windows 8 with mingw installed.

How can I upgrade

Answer 1

Just install ruby version 2.0 from the official rubyinstaller site.

There's nothing like 'upgrade'. You can actually run both versions on ur PC at the same time (many people prefer that too). Also refer to this question: How to have multiple versions of Ruby AND Rails, and their combinations on Windows?