I'm not certain I understand your question. If not, please add details.
If you are asking how to e-file a return for 2020, you can not do so. You need to print and mail it in, the old fashioned way.
https://ttlc.intuit.com/community/e-file/help/is-it-still-possible-to-e-file-or-earlier-tax-returns-...
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