@JenniferEdward
After writing my very long answer, I re-read your comment and found that your spouse passed away in 2021. In that case, for 2022, you will file as single, unless you are providing care in your home for a qualifying dependent under age 19, in which case you can file as a qualifying widow/widower.
You may need to amend your 2021 and earlier tax returns as I discussed in my longer answer.
