1) mySysGit - Git for Windows:
Git is almost inseparable from Rails as they both go hand in hand. The Rails development process suddenly becomes professional, managed and easy with Git. To get it working on windows, we need a windows version of Git i.e. mySysGit.
2) Pik – RVM for Windows:
Pik is an excellent windows tool by Gordon Thiesfeld in the place of Ruby Version Manager (RVM). You can find more about pik on Github at http://github.com/vertiginous/pik and try installing ree and ruby 1.8.7 along with 1.9.2 with ‘pik add’ command.
>pik add C:\ruby\IronRuby-091\bin
Adding: 091: IronRuby 0.9.1.0 on .NET 184.108.40.206
Located at: C:/ruby/IronRuby-091/bin
If pik is not working, you may need to add path to your installed directory in Windows enviroment by following this guide. Assuming, the directory C:\bin is in my path: