Login to WordPress Admin Dashboard and go to
Appearance -> Menu.
Select Home Menu or Top menu whichever menu name that is configured for your site to be displayed on header.
Remove the Blog menu link from that menu and Save.
The blog will not be displayed.
Thank you! Will that erase the page or just hide it? How do I unhide it when I’m ready to show it?
Will just hide it. Once you wish to add it, go back to that menu and add that page again.
Ok. So, I just click “remove”, and it will still be available there for later?
ya. Later when you wish you will need to just add