Question

I thought I downloaded a GEDCOM, but can not find it/

Comments

Do you mean uploaded a gedcom from your computer to wikitree or downloaded a gedcoms from wikitree to your computer?

Answer 1

You may want to contact Eowyn:

http://www.wikitree.com/wiki/GEDCOM_Manager

Answer 2

Check your e-mail spam folder. You should have received a message when the file was generated, that night. (Unless it was generated live because it contained less than 500 people. Then no record would have been made, but it's easy enough to do it again.)