WinRAR (a.k.a. RAR) is a shareware file archiver and data compression utility developed by Eugene Roshal. It is arguably one of the two main file archive programs for Windows, along with WinZip. It is one of the few applications that is able to create RAR archives natively, as the encoding method is held to be proprietary.
Thinstall is an Application Virtualization Platform that enables complex software to be delivered as self-contained EXE files which can run instantly with zero installation from any data source. The core of Thinstall VS is the Virtual Operating System, a small light-weight component which is embedded with each “Thinstalled” application.