How to query and delete duplicate items in iTunes under Windows 7 Ultimate system

1. First click on “Show---Show completely duplicate items” to display duplicate items (matching is based on song name and performer) If there are multiple versions of the same song, you can hold down the Alt or Option key (for Mac OS X) or the Shift key (for Windows), then choose Display -- to display the completely duplicated item, which will only display the name, performance. Repeated songs with the same album and album;

2, then repeat the items in order, view each item to determine the items you want to delete from the library, you can compare the length of the track, add the date , style, number of plays, size, bit rate, etc. to help determine which items to keep and which items to delete;

3. If you want to delete an item, select the item, then select Edit--Delete To delete duplicate items.

4. After removing duplicate items from the library, click on the bottom of the iTunes window to display all items.