@5344298 I am so sorry for your losses. It sounds like it has been a tough few years. In this TurboTax link it explains why and how to file prior year tax returns:
https://turbotax.intuit.com/tax-tips/irs-tax-return/how-do-i-file-back-tax-returns/L535BxMms
You can still do 2022 online with us. 2021 and earlier you would need to download our desktop version:
https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-return/prepare-2020-2019-2018-tax-re....)
Here is an IRS link that may help you also:
https://apps.irs.gov/app/freeFile
Just take it one return at a time, @5344298
