Thsi particualr Blu Ray player is internet READY but not wifi READY or it is not BUILTIN WIFI either, you got two options.
Since it has a ETHERNET port on the back of the blu-ray player you can run a sable from your ROUTER (ports 1-4, any one) to the blu-ray player it will tehn find the settings automatically on the blu-ray player
If you do want it to be wireless you will need to buy an adapter to make it wireless I will provide the link below:
That is the adapter you want to make it wireless. Please ACCEPT this answer if I provided you with the information you needed. Thanks