XF 2.0 upgrade login problems

[ŽivaAkcija]

i try to access upgrade page but in firefox 60.0.2 got this message?

Cookies are required to use this site. You must accept them to continue using the site.

 

[ŽivaAkcija]

anyone how to resove this'?

 

[ŽivaAkcija]

also i notice www folder in root and there is another XF2 install, and one regular is inside public_html it is normal?