Are there 32-bit and 64-bit installers for Gaaiho Reader? Brad Lee November 26, 2013 09:11 Follow No, the installer includes both 32-bit and 64-bit versions. It will automatically choose the right version to install. Related articles How do I deactivate Gaaiho Suite 4 online/offline? Error (1609) while applying security settings - Users is not valid group? How do I activate Gaaiho PDF 5 online/offline? The installer has insufficient privileges to access this directory How to update Gaaiho PDF software to the latest version Comments 0 comments Please sign in to leave a comment.