Vous avez cherché: must, mustn't, don't have to (Anglais - Italien)

you don't have to
non c’è bisogno […]

you don't have to fear."
non devi avere paura".

you don't have to be late
non devi fare

yoyou don't have to park here
non devi parcheggiare qui

"you don't have to suffer!
"non dovete soffrire!

you don't have to stress me out
non mi dovete stressare

but we don't have to stay there.
ma noi noi dobbiamo restarvi.

you don't have to answer my opinion.
. . e voi vi siete chiesti: “a me non hanno mai chiesto niente!”

you don't have to believe in "viruses".
non è necessario che tu credi in un "virus".