Developer: DOSBox
  Distribution type: free of charge

You want to play the retrogames which grew with a moss, but it isn't possible to launch them on the modern computer? It doesn't matter, set DOSBox. It emulates the DOS operating system and ancient iron that old games ceased to be capricious and started working stablly. 

  INSTALLATION
  At first set DOSBox, then DosBlaster. In the shortcut menu of an explorer in case of the right click on DOS game there will be two points: Config Game and Run Game. The first allows to change game settings, the second — launches it in DOSBox.