Hi everyone. How to install and use X-Bib (with X-CTU, I use X-Bee Pro) on windows 8 64b?

Try this link:

http://www.digi.com/support/kbase/kbaseresultdetl?id=3214

Refer the following link, http://www.digi.com/support/kbase/kbaseresultdetl?id=3214 - installing USB drivers for Windows 8.