First you need to get your DNA tested (Ancestry, 23&me, etc...)
Once you have the results you must download your RAW DNA File.
Now you can begin uploading your raw DNA to other sites for further analysis-
gedmatch.com free services (optional upgrade) the most complete data and ethnicity analysis
dna.land free services including ethnicity analysis, matches, traits
myheritage.com free services (optional upgrade) ethnicity analysis, matches
opensp.org free service includes your specific traits on your DNA, compared with others
promethease.com Creates a health database with your traits for $12. Detailed and complete
genomelink.io free services (optional upgrade) traits- emotional, physical, intelligence, health, food
familytreedna.com - free services (optional upgrade) matches comparasion