Changing out a light fixture is a doable project. Here’s a link to some instructions:

https://www.ehow.com/how_2296169_change-light-fixtures.html

After you have looked over the instructions, determine whether you want to tackle it yourself, or hire a professional. Then it’s just a matter of buying the fixture and installing it.

If if you are not up to the job, you can always buy new globes and LED bulbs for your light fixture, but it won’t make much of a change.