The witnesses should be adults who are not also beneﬁciaries*. Although they need to know they are witnessing your will, they don’t need to read the will or know what is in it. The witnesses should pay close attention during the execution. If anyone later contests the validity of a will, the court may ask the witnesses to testify about what occurred during the signing.
To make a valid will, you generally need to be over 18 and have “testamentary capacity.” “Testamentary capacity” means you are mentally competent and requires that you understand: