How to expand this?

So… Im really new to Blender…

I looked at the manual but i can’t find it for real.
It’s a really noob question, i know that already…

But how do i expand this?


If you mean making the grid larger press N to show the properties panel and look under Display
https://www.blender.org/manual/editors/3dview/display.html?highlight=grid#display