Can I connect wireless internet to a laptop that only has the option for dial up?

So I recently bought a laptop from a friend. It's several (probably like 5+) years old. I have wireless internet in my house, but I don't know how to connect the laptop to the wireless.
I know how to connect ordinary computers to wireless, but when I try to make a new connection, there's no option to input the wireless network ID and password, the only option is Dial Up.
I have a dial up cord, but my house only has one outlet with the dial up connection, and it is currently in use by my landline phone and I don't want to unplug the phone every time I want to use the internet.

I also have an ethernet router if that helps.

How can I do this?
 
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