Get your taxes done using TurboTax

You are fine.  You have the .tax2021 file.  When you install the Desktop program and start a brand new 2022 return it will first look for the .tax2021 file on your computer and ask if you want to transfer it.  If it doesn't find it you can browse to where you saved it.  That's all to do.  You don't need to have the 2021 software, just the .tax2021 file.   The tax file should be in your Documents then in a TurboTax subfolder. 

You can buy and install the program now and get started.   You don't have to wait for the forms to be available.  There will be many updates to come.   

Here's an old screenshot I saved on transferring