I need help starting up the equipment it's not letting me get internet I just got the box today

https://www.xfinity.com/support/articles/activate-xfi-gateway-app   

https://www.xfinity.com/support/articles/how-to-activate-your-self-install-devices?linkId=137017738  

Greetings, @user_pdyrtb! I hope your week has been treating you well. Thanks so much for taking a moment out of your busy day to leave a post on our community forum. I'm sorry to hear you're having issues activating your equipment, but you have definitely come to the right place for assistance.

If you could send our team a direct message with your full name, the name listed on the account (if different), and the service address associated with your account, I'd be more than happy to look into this for you.

To send a Direct Message, please click on the “Direct Message” icon in the top-right corner of the screen, next to the bell icon, click the "New message" (pencil and paper) icon, then type or select "Xfinity Support". Type your message in the text area near the bottom of the window and press Enter to send your message and initiate a live session.

@user_pdyrtb 

Were you able to get connected using the info from those links ?