I just move in a new house and the is no internet connection yet , because my activation date is 3 days later , so can I go live early than the activation date
Highly unlikely, the date is provided by OpenReach. As they are the ones that maintain the network. NOW just piggy off it.
You can call the team, but don't be shocked if the answer is no.https://help.nowtv.com/get-in-touch/now-broadband-calls/switching-to-now-broadband-or-moving-home
NOW Broadband Members can call us 8am–8pm, 7 days a week.