Then tried just uninstalling rails and reinstalling (via gem) and still can't get rails to verify installation or be usable.
C:\Sites>gem uninstall rails
Select gem to uninstall:
1. rails-4.2.5.1
2. rails-5.0.0
3. All versions
> 3
Successfully uninstalled rails-4.2.5.1
Successfully uninstalled rails-5.0.0
C:\Sites>gem install rails
Fetching: rails-5.0.0.gem (100%)
Successfully installed rails-5.0.0
Parsing documentation for rails-5.0.0
Installing ri documentation for rails-5.0.0
Done installing documentation for rails after 0 seconds
1 gem installed
C:\Sites>ruby -v
ruby 2.2.4p230 (2015-12-16 revision 53155) [i386-mingw32]
C:\Sites>rails -v
The system cannot find the path specified.
C:\Sites>