{mod note}This is a copy of a tutorial created by user Glijnos back in 2012. Unfortunately Glijnos made a lot of use of IMG tags, which the forum now deprecates for security reasons (offsite images can be substituted with nasty stuff that we won't go into), hence his tutorial was ruined. Presented below is the same tutorial using local attachments, broken into multiple posts so that each post can remain below the forums three attachments limit
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Tutorial: Installing Windows For Workgroups 3.11 (Windows 3.11) on VirtualBox with full driver support.
Introduction
For this Tutorial VirtualBox has to be installed (correctly) on your computer.
This tutorial was tested on the hosts Windows 7 SP1 and Linux (Ubuntu 11.04). But should probably work on other hosts as well.
For this tutorial I used my 3.5-inch floppy disks of MS-DOS 6.22 and Windows 3.11. My present pc no longer has a floppy disk drive, so I used an old pc to create floppy images (.IMA) from my old floppy's.
Now that we have created the floppy images we can start to configure VirtualBox.
Create a virtual machine
Create in VirtualBox a new virtual machine with the name Windows 3.11 or any name you like. By OS Type select the Operating System: Microsoft Window. Under version select: Windows 3.1.
Hit Next.
By memory use the default Base memory size of 32 megabyte.
Hit Next.
Create a new hard disk.
Hit Next.
Use the default file type: VDI (Others may also work).
Hit Next.
By storage details use the option you like (I used Dynamically allocated)
Hit Next.
If you like, you can give the virtual disk another name or location.
Use the default disk size of 1,00 Gigabyte (MS-DOS 6.22 can only recognise hard disks up to 2.1 GB)
Hit Next, then two times Create to create the virtual machine.