DOSEMU can run any 16bit Windows up to 3.1, and have a limited support for Windows 3.11. You should be able to install and run these versions of Windows without any extra work. There are still a few caveats however, and if you have some problems, read on. Mouse is known to have a sensitivity issues when you run Windows under dosemu. For Windows 3.0 and earlier there is no workaround currently. The problem will be fixed in the future dosemu releases. For Windows 3.1 and 3.11 you can install an alternative mouse driver. Get the OS2WIN31.ZIP distribution from somehere. One place that distributes it is http://www.funet.fi/pub/os2/32bit/win_os2 This archieve contains the file mouse.drv. Replace the mouse.drv of your WINDOWS\SYSTEM directory with that file and do the following adjustments in your win.ini file: [windows] MouseThreshold1=0 MouseThreshold2=0 MouseSpeed=0 Note however, that with this driver you won't be able to run Windows under the real DOS environment any more, as that mouse driver only works under dosemu and OS/2. If you want to run Windows in SVGA mode, you can either use the Trident drivers, or the patched SVGA drivers of Windows 3.11. The Trident drivers for Windows are in the files tvgaw31a.zip and/or tvgaw31b.zip. Search www.winsite.com to get them. Unpack the archieve. In Windows setup, install the Trident "800x600 256 color for 512K boards" driver. Windows 3.11 comes with the SVGA drivers. You can also download them: search www.winsite.com for svga.exe and install the drivers. Then go to http://www.japheth.de/dwnload1.html and get the SVGAPatch tool. This tool makes the above drivers to work with most of the video cards in a real DOS environment, and makes them dosemu-compatible too. By the time of writing this, dosemu doesn't have the support for Windows ring-0 device drivers (VxD). Fortunately, most of Windows 3.1 drivers are the ring-3 ones (.drv), so you can easily install the Sound Blaster drivers, for instance. This is not the case with Windows 3.11. Its network drivers are the ring-0 ones, so the native winsock won't work. In order to get the networking operational, you need to get the Trumpet Winsock package. Refer to chapter "Using Windows and Winsock" for more info on this. There is probably a little use of a DOS shell under Windows under dosemu... But for those who needs it, here are the basic hints. DOS shell is supported by DOSEMU only if Windows is running in a Standard mode. The Enhanced mode DOS shell is currently unsupported. Note however, that unlike in a real DOS environment, under DOSEMU the DOS shell of the Windows in Standard mode allows you to run the protected mode apps (in the real DOS environment only the DOS shell of the Enhanced mode allows this).