connect to chile
go to epic games website
make account, do email verification etc. make sure the country autofills as chile
in store (on the website), buy a random free game (could be bpsr). make sure you get the receipt page at the end to confirm you "bought" it
turn vpn off - dont need this anymore
download epic launcher and login with your chilean account
login and make sure store page is showing chilean shekels as the currency
download bpsr and buy in game with paypal