Rate songs and other content in iTunes on PC
You can assign a rating — from one to five stars — to a song, album, video, podcast or other item to indicate how much you like it. You can use ratings to help you automatically create playlists or to sort and browse your iTunes library.
Turn ratings on or off
Go to the iTunes app
on your PC.Choose an option (Music, Movies or TV Shows) from the pop-up menu at the top left, then click Library.
If you can’t see Music, Movies or TV Shows in the pop-up menu, you need to use the Apple Music app
or the Apple TV app 
you installed on your device. See the Apple Music User Guide for Windows or the Apple TV User Guide for Windows for more details.Depending on which option you choose above, click Songs, Movies or Episodes in the sidebar.
Choose View > Show View Options, then select Rating. If the tick box is selected, ratings are turned on.
You can also choose Album Rating to turn on album ratings; an album rating is calculated by combining all the individual song ratings.
Give an item a rating
Go to the iTunes app
on your PC.Choose an option (Music, Movies or TV Shows) from the pop-up menu at the top left, then click Library.
If you can’t see Music, Movies or TV Shows in the pop-up menu, you need to use the Apple Music app
or the Apple TV app you installed on your device. See the Apple Music User Guide for Windows or the Apple TV User Guide for Windows for more details.Depending on which option you choose above, click Songs, Movies or Episodes in the sidebar.
Select the item you want to rate, then click or drag in a rating column to add or remove stars.