In case you are a student, any student, not just computer science, you can get access to Visual Studio Pro from DreamSpark.  You will need to use your email account, the one that ends with edu to sign up, but go to DreamSpark.com and sign up for some excellent training as well. 

Visual Studio Pro is an excellent tool to build apps that use JavaScript, C#, C++, C or F# (OCAML light) for Windows 8, Windows 7, Windows Phone as well as Android Play (using JavaScript).

So go right over to DreamSpark.com and get signed up and start downloading the useful software.