You hve to get probate first. The executor is the most important person in the Will. An executor has a duty to collect and realise the estate of the deceased, pay his debts and distribute the legacies as mentioned in the Will by the testator. The duty of the executor is to probate the Will in a manner known to law. The court shall grant probate only to an executor who has been named in the Will.
Probate is a document issued under the seal and signature of a Court officer , certifying that a particular Will was proved, with a copy of the will annexed.