No difference in meaning. I prefer the first.
Student or Learner
Why don't I go home and get it, then we can meet up and try using it on your computer.
Why don't I go home and get it, then we can meet up and try to use it on your computer.
Are both sentences correct? If so, What is the difference in the meaning?
Both of your original sentences need a question mark at the end, because they begin with "Why don't I ..."
Remember - if you don't use correct capitalisation, punctuation and spacing, anything you write will be incorrect.