You can apply for…
Submitted by Maurice on Wed, 11/18/2020 - 06:52You can apply for citizenship "jure sanguinis". I'm not an expert but you may have to have a direct line, i.e. that your mother or father have to be/become an Italian citizen first. But otherwise fairly straightforward. see https://italiancitizenshipassistance.com/jure-sanguinis/
The main problem may be acquiring your grandparents documents.
I'm currently suing the Italian state to acquire citizenship as my Italian mother lost hers when she married my father, an English soldier, in 1947