We can change your subdomain for you, but just realize that when it is changed, any previous links out there with your old subdomain will not work.
Simply email firstname.lastname@example.org and let us know what you would like your subdomain to be changed to. If your request is available (and not used already by another user), we will go ahead and update your subdomain to the new one you selected.
Your subdomain is the word/words in the URL just before .onlinesalespro.com. You select your subdomain just after signup when you create your account.
This example shows the user's subdomain: ad