In your case, you can only apply for benefits as a widower or widower if the retirement benefit you receive is less than the benefits you would receive as a survivor, retirement benefits as you can apply for benefits.
What do you consider survivor benefits?
Just as you plan to protect your family if you die, you should consider the Social Security benefits that may be available if you are the survivor, that is, the spouse, child, or parent of a deceased worker.
I understand and How does your spouse earn Social Security survivor benefits?