I'm sorry, but TurboTax accounts cannot be merged. Now that you've created a new account, you'll just need to stick with that one hereafter.
My condolences on the death of your wife.
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***