@Norman and Vicki Knight
Norman & Vicki
"Ancestry_com" is "Certified" to work with "Family Tree" of 'FamilySearch'.
Question [ NO answer required ]: Are you Members of the Church; or, non-members?
Not prying, just that there are different ways to 'link' the two, depending on the situation/circumstances.
Question [ NO answer required ]: In either case, do you already have a "Subscription" (ie. "Paid) Account with "Ancestry_com"?
Again, not prying, this again has a bearing on the situation/circumstances.
IF, you are a Member of the Church; THEN, you can use "Partner Access" to 'link' (connect) both, "Ancestry_com" Account; and, "Family Tree" of 'FamilySearch' Account together.
Here is the direct URL:
Whereas, IF, you are NOT a Member of the Church (ie. non-member); and, have a "Subscription" (ie. "Paid) Account with "Ancestry_com"; THEN, you would have to, either, use the on-line "Help" in "Ancestry_com"; and/or, contact "Customer Service" in "Ancestry_com", to see if and (Although, I do not use "Ancestry_com" directly, I know you can), how to 'link' (connect) both, "Ancestry_com" Account; and, "Family Tree" of 'FamilySearch' Account together.
Here are some "Knowledge Articles" in 'Family Search':
What is the best way to contact Ancestry for help with my FamilySearch account?
How do I set up my Ancestry account?
I hope this helps.