Warzone 2 free week

Hey guys, so warzone 2 has a free week of multiplayer for everybody and that i want to play it, nevertheless it doesnt let me. It says i have to have xbox stay gold, however up to now i had no hassle taking part in with it with out it and that i don’t wish to pay for it. Anytime i attempt to launch it, it redirects me to this web page, any concept methods to repair this? I already tried to reinstall, exhausting reset, nevertheless it simply wont work..