Ok your address is 192.168.0.1 so use that
then default login is admin
with password being password
Then hit basic tab
Find Security Mode
Change it to WAP
make your own password for your router then click apply
Depends on the router look it up online. Each router has a standard username and password that you can find for your model and website address. For example
most routers have a website address of 192.168.1.1, some have 192.168.0.1 you have to find out which one yours fits into.
Then each router usually has a standard login
For example
Username: Admin
Password: Password
Some combination of that you can find that information for your router online