The short answer is that you shouldn’t be forced at all to do that, and you no longer have to be thanks to this quick tip from Mac Tricks & Tips. They’ve shared a single-line terminal command which you can use to add this functionality to iTunes, and it’s really quick and easy to use. All you have to do is open Terminal (Applications -> Utilities or search via Spotlight) and then copy and paste this command and press enter: If you have iTunes open, you can now restart it, or open it if not open.
You should now be able to select a star rating and drag to the right or left to add a half star. Add Half Stars To iTunes Ratings | Mac Tricks & Tips
