Translation of Computertisch

Can you translate: Are you using the firefox browser? Install this tool in your browser window. The ones I suggested the other day are the most useful ones, because we would use it for generic terms which differ from Spanish.
In South American we speak normal Spanish, but sometimes it sounds like music and not as you are used to it from the school books and video tutorials from the language schools that you have learned in Guatemala.
This is a fantastic idea, I am learning German just since last year. I speak, write and read well, and I will improve soon. This site, Vocabulix, I'm visiting often and I am mostly online.