Hi: If you download the latest version, it will work. However, installing from any CD copy you have will not be compatible. You can download the transfer from: www.aph.org/tech/bp_setup.exe Pamela Rader APH Technical Support -----Original Message----- From: bookport-bounce@xxxxxxxxxxxxx [mailto:bookport-bounce@xxxxxxxxxxxxx] On Behalf Of George Savory Sent: Tuesday, August 18, 2009 9:37 PM To: bookport@xxxxxxxxxxxxx Subject: [bookport] 64 bit OS and BP transfer software Listers, I have a 64 bit Vista machine. I would like to know if the current version of the BookPort transfer software would run on this 64 bit Vista operating system.. Thanks for any information anyone of you listers may have. Regards