Ok now that you got all of the files ready and extracted,Next you need to create folder on your PSP's Memory stick. The most important one is the one called
Feb 24, 2009 - It seems with a recent version of dos box, you can load windows 3.1. Whats “big” in this,i got win 3.11 on my psp,motorola e2, toshiba g900. But.if you put windows on psp again there is nothing to win,its slow.:). I got Windows 98 and older to run on my PSP using dosbox.
hdd which contains all of the Disk Images and Batch files. Create a folder called hdd In the Root of the PSP's memory stick. Copy(or move) the following files to the Folder hdd
w95.img - The Windows 95 Hard Disk image
win31.iso - The Windows 3.1 Image(Its an iso because iso files don't freeze since it does not boot from the image)
osrun.bat (Starts either Windows 95 OR Windows3.1)
31run.bat (Opens Windows 3.1)
95run.bat (Boots up windows 95)
Note:Make sure that the file names are correct or else it wont work. Once you have Done that next you need to copy The DOSBox program for the psp to the right folder.
If you have a PSP with Custom Firmware copy the DOSBox files(Eboot.pbp,DOSBOX.CONF,any .prx files and the DOSBox.patch file ) to MSROOT:PSPGAME150DOSBox(create that folder) OR If you have a PSP with OFW 1.5 Copy it to MSROOT:PSPGAMEDOSBOX Now you should be done with this step