Where to download previous/older versions? Alex Cheng February 19, 2021 08:14 Updated Gaaiho Series: Gaaiho 1.X/2.X/3.X/4.X DocuCom Series: Docucom Gold 9.x, DocuCom Driver 8/9 Related articles How do I find my serial number? How to update Gaaiho PDF software to the latest version [Old Version] How do I activate Gaaiho PDF online/offline? Update: Gaaiho PDF 5.4 | Respond to Adobe Flash EOL Failed to update/ upgrade to the latest version with Gaaiho PDF Updater. Comments 0 comments Please sign in to leave a comment.