Interesting. I’ve had a DNA analysis from ancestry.com, but I haven’t seen any option to have archaic DNA content analyzed.
Ancestry is the one I used, and the report they gave me looked like a powerpoint presentation for Crayola.
Find their FAQ, and there are instructions on there regarding how to download the raw data file from your DNA. Archive it. That’s the single most important step to take.
Doing the more detailed comparisons involves going to GEDmatch and other sites, setting up an anonymous acc’t, and uploading your data for comparison. More data becomes available all the time because more and more participate, and the calculated geographical origin and whatnot varies over time.
Ancestry’s own matches for me came quite quickly, but the top three or so were people I could recognize through their handles, and all of them were from my grandmother’s side of the family; the top one is a second cousin (I have dozens of those, and we all know each other, that’s the side of the family that’s been having reunions for many generations), the other two are more distant but via grandmother’s dad’s side.