Not ridiculous at all. We were all beginners at one point.
OS upgrades are free. Go to Options > About and see what version you are running. Should be 4.3.x.x or so.
Here is the latest version released for your 8330: http://www.blackberryforums.com/gene...ilanguage.html
Follow the steps in that link to the letter and you should be fine.
Remember to do a backup before.