I'M USING WINDOW7 HOME PREMIUM 64BIT TRYING TO RUN 16BIT APPLICATION,AND IT SAY;UNSUPPORTED 16BIT APPS.PROG FLES/AREV31/AREV.EXE CANNOT RUN DUE TO INCOMPTBLTY WTH 64BIT WIN.CNTCT SFTWRE VNDR IF 64BIT WIN COMPTBLE VRSION AVAIL...
You can install a virtual machine and install most any OS you choose. From DOS, to Windows 3.1, Android, Linux, etc.
I use the Oracle virtualbox which is very easy to install, and is free to use.
www.virtualbox.org