title Windows 95 (RAM) map --mem /w95.img (hd0) map --hook root (hd0,0) chainloader +1
you can even make a LiveUSB of Win95 and run it in persistent mode
title Windows 95 map /w95.img (hd0) map --hook root (hd0,0) chainloader +1
but you need to patch the C:WINDOWSsystem.ini file by adding this under the [386Enh] section of the file
MaxPhysPage=30000
now I'll try to do the same thing with Windows ME.
P.S
Size of Windows Installation 108MB + 154MB for WINME setup folder