SQL Server - Can't connect to SQL Server after changing SA password ...

I'm going to have to build an app in PHP which does this, but before I do that I'd like to connect to it with a client tool just to see how things are structured and such. I'm afraid I don't know ...

Click on the "Finder" icon in the Dock. Open the Go menu at the top of the screen and click "Connect to Server." Enter the IP address or hostname of the server to access in the pop-up window.