If your spouse passed away in 2022 you can still file as married filing jointly for 2022. After the year in which your spouse passed, if you do not have a dependent child, you file as single. When TurboTax asks your marital status select Widowed. It will then ask some more questions and recommend a filing status.
On your federal tax return you do not indicate that you are disabled. It doesn't make any difference. Some state tax returns might ask if you are disabled, depending on the state.
