Will updating itunes delete my music
You can restore your i Tunes music from the backup file. Click File from the top menu of i Tunes and click “Add Folder to Library” from the menu.
In the popup window, locate the folder where you have backed up your i Tunes file.
In the popup window, click “Consolidate Files” box.
Your i Tunes library will be copied to a single folder so that you can copy/move it to external storage device. Locate the i Tunes media location on your computer.
If you haven't got an up-to-date backup of your i Tunes media library, then it's a good idea to make a copy of it on an external storage device -- such as a portable hard drive.Now that you have backed up your i Tunes library, you can uninstall i Tunes from your computer and start a fresh installation. Open Control Panel on Windows, click Uninstall a program, locate i Tunes and click Uninstall button.