Add-on How can i install postloop addon on xenforo 1.4.3

I uploaded postloop /library/ folder to my XenForo root directory, am using xenforo 1.4.3 but am getting error in the admin are
I can see that postloop is in version: 1.0.2

How can i get postloop work on my xenforo version 1.4.3

Thank you.