Excuse me, do you have Wi-Fi here?

What's the password?

I don't have an internet connection.

I don't have a network connection.

I'm logging on.

You have to register. (informal)

You have to log out. (informal)

Have you signed out? (informal)

website

internet address

internet address

www.dw.com

You can google it. (informal)

I have to send an email.

I can't download the file.

I would like to install an app.

Can you share the link? (informal)