First, get your DNA results from 23andMe for $99. These will be needed for the next steps.
Razib Khan in Discover Magazine gives the step-by-step of how to analyze your 23andMe data.
If you have forgotten about MS-DOS in Windows, be prepared to learn it again. The steps shown are using MS-DOS.
The steps are cumbersome, but are worth following through if you want to start understanding your own DNA.
One use of DNA analysis, DNA Ancestry Tests to find your ancestry.
Tags: how to analyze own dna, how to analyze your dna, how to analyze 23andme data