Change a new top with another page

[GDimitrov]

GDimitrov last edited by

Hello how can I change:
When I open a new tab, an extension page opens (https://chrome.google.com/webstore/detail/gridsup/nginabbjhjjbmjcimkmhloleglognimo?hl=en)
in the picture I show which page I want to open every time but I don't know how to do it. thanks for the help