Access

I'm not sure what you're asking for here.

Disabling access control? 

Disabling wifi? 

What exactly are you trying to do and with what device? 

There's a support site with access to manuals, firmware, install guides, etc.
Go to https://www.netgear.com/support/
Type in your model number and from there it'll take you to the above.
Its a great resource to start with.