Windows will copy some files and switch to the graphical part. If you don’t know which one to select, use Express Install. Now you have to press ENTER and you can either select Express Install or Custom Install. If it won’t detect your Windows 3.1 files, restart it and run the mount commands again) Now put the Windows 3.1 installation files to the c:\somepath\a directory (a quick note here: I noticed that DOSBox sometimes won’t recognize new files in existing folders. Create two folders for disk A and C somewhere on your computer and run these commands: mount a c:\somefolder\a I’m really sorry for this tiny low-res picture, it’s because the scaling doesn’t work nice on my 4K monitorįirst we’re going to mount folders as drives to be able to transfer files around with ease. You’ll be greeted by something like this: