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I have an older computer running XP. I downloaded the newest version of iTunes and it won't install due to my computer not meeting the minimum requirements. The problem is that is must have changed a .dll because my older version of iTunes no longer runs. I need to install the older version 12.0.1.26. How does one go about getting the older version to reinstall? Thanks.
iPhone 4S, iOS 8.1.3
For general advice see Troubleshooting issues with iTunes for Windows updates.
The steps in the second box are a guide to removing everything related to iTunes and then rebuilding it which is often a good starting point unless the symptoms indicate a more specific approach. Review the other boxes and the list of support documents further down the page in case one of them applies.
The further information area has direct links to the current and recent builds in case you have problems downloading, need to revert to an older version (scroll down a bit further) or want to try theiTunes for Windows (64-bit - for older video cards) release as a workaround for performance issues or compatibility with third party software.
Your library should be unaffected by these steps but there is backup and recovery advice elsewhere in the user tip.
tt2
How to get older version of itunes
