Microsoft Virtual PC 2004 is a solution with which you'll be able to install old Windows operating systems, without having to create partitions, in such a way that you will be able to use old applications without having to leave the main environment.
The main objective of this kind of development is to provide a way in which you will be able to use programs that are no longer compatible with your current system under their original operating system, in such a way that it will be possible to make sure that there are no kinds of incompatibilities.
Run virtual versions of old Windows
How it works is rather simple, because you'll only have to create a virtual machine, specify the hard drive size and the RAM to be used, select the unit from which you will install the new operating system and carry out the installation as if it were another computer.
The interface is quite simple and it isn't at all complex to handle the program, because it has various assistants that will make using the application a lot easier.
If you want a solution with which you can virtualize Windows 95, Windows 98 or Windows 3.11, quickly download Microsoft Virtual PC 2004.