STEP 1 : Before anything you must download the latest verison of iTunes which found Here
STEP 2 : Be sure that your media files are safe by locating your iTunes file which should be in C:\My Documents\My Music or C:\Users(your username)\Music in Windows 7. Copy the folder to another location just in case.
STEP 3 : After that open start menu and go to control panel, programs and features, uninstall the following things from your computer :
- Apple Application support
- Apple Mobile Device Support
- Apple Software Update
STEP 5 : Restart your PC.
STEP 6 : Now, go to your iTunes file location (Not the backup you made earlier) and find the file named iTunes Library.itl and rename it to iTunes Library.itl.old, just like the image below :
STEP 7 : Open the folder Previous iTunes Libraries and find the file with the latest date prior to upgrading to iTunes 10.5 beta. In my case it was iTunes Library 2011-06-10.itl
STEP 8 : Almost done, now install the current non beta version of iTunes which you downloaded in the beginning , that’s it, you’re done!
If you faced any problem while downgrading, we hope to hear your problems in the comment section or on our Facebook page thanks.