Not simply anyone might challenge the credibility of a Will. Though state laws vary somewhat, all need that you be connected to the Will in some way. Usually, you should have the ability to show that you would have received more from the decedent, if she or he had passed away without a Will; or if he or she wrote an earlier Will that left you more than the existing Will.
Question 2: When can I challenge the Will?
Question 3: How can I overturn a Will?