The example given is for a male of surname Merrill or Merrell.
Go to
Family Tree DNA
then click on the
PROJECTS tab
then under Y-DNA SURNAME PROJECTS
click on
M(448)
The number showing may be different from 448.
then in the left column click on
Merrill
then under
MALE LINE TESTING - FOR GENEALOGY AND ANTHROPOLOGY
next to Y-DNA37 (normally $149)
click on
ORDER NOW
and click
NEXT to continue.
You will be asked for a credit card number. A test kit will be mailed to you.
After you send it back, you can expect your results in about 4-6 weeks.