Answer:
(Fatwa: 2297/1887=B/1429)
The iddah of a woman whose husband died is four months and ten days. And the woman who is divorced she will observe iddah of three menstruations. By starting a new life, if you mean second marriage, then it is permissible for her to do so.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
