Fake post...
McDonalds hasn't said she did or didn't work for them 40 years ago.
1983 was in the pre-digital-data era, and employment records for short-term workers at franchised fast-food chains from that period were almost certainly not considered essential documents to retain.
BUT
Trump Fake Worked At A Closed McDonalds
https://www.politicususa.com/2024/10/20/trump-fake-worked-at-a-closed-mcdonalds.html