The still shown below was given to my grandfather as a gift, but it is a fully working still which would theoretical create distilled water, alcohol, etc (we never really tested it). It may not be homemade, but it is perfect for explaining the basic process.
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Step 1: The Process
To start you need a "Fermented Mash"- "Braga" (recepies will be at the end). The braga is what originally contains the alcohol.
Once you have the braga, you will place it into into the container which is heated. The braga will boil, causeing the alcohol (which has a lower boiling point than water) to evaporate, go up the tube, and into the "Zmeevik" (curly tube in the refrigerator, aka the condensator). In the zmeevik, the alcohol condensates (do to the lower temperature caused by cold water in the refrigerator) and drips into the cup (or bucket if your makeing a lot).
Make sure the thermomiter never goes above 90 degrees(centigrade) (at 100 degrees (centigrade) water starts to boil; if this happens, it means there is no more alcohol in the braga).
You can now through the alcohol-less braga away.
Congradulastions! You have made your first "Samogon" (which means self distilled or moonshine).