Guide to Uploading to GEDmatch
Introduction to GEDmatch:
https://blog.genomelink.io/posts/how-to-use-gedmatch
Getting info from Ancestry:
http://www.irelanddavis.com/dna/gedmatch/default.aspx
Getting info from 23andMe:
https://blog.genomelink.io/posts/gedmatch-do-more-with-your-23andme-raw-data