can't install halo infinite beta

Hi, I have a small problem, I am invited to participate in the beta of halo infinite, only problem the link that give me is not good and redirects me on an empty page where there is mark
“OOPS THE PAGE YOU WERE LOOKING FOR DOESN’T EXIST
You may have mistyped the address or the page may have moved”.
while I clicked on the link given by mail, someone can help me?
Thanks