1. A computer-implemented method for executing a software application on a different operating system than an operating system on which said software application is installed, said method comprising: identifying, by a computing device, changes in system parameters in a first operating system made upon installing said software application in said first operating system; changing, by said computing device, system parameters in a second operating system to be compatible with the first operating system based upon the changes in system parameters in the first operating system without installing said software application on said second operating system; and accessing, by said computing device, the software application installed on said first operating system for execution in the second operating system, said changed system parameters point to installed files specific to said software application on a mapped drive of said first operating system on which said software application is already installed.