be attested to by two or more credible witnesses above the age of fourteen
who shall subscribe their names thereto in their own handwriting in the
presence of the testator;
the testator must be competent;
and the testator must be over the age of 18 years.
Other important information that should be included in your Will:
A clause revoking all other Wills;
A guardian for any minor children you may have;
The name of an executor and any trustees you wish to name;
Names of all beneficiaries and what you wish to leave them; and
A residuary clause that states where you want the remainder of your estate
to go.