Where to download previous/older versions? Alex Cheng April 12, 2019 07:11 Updated Follow Gaaiho Series: Gaaiho 1.X/2.X/3.X/4.X DocuCom Series: Docucom Gold 9.51 DocuCom Driver 9.51 Related articles How to update Gaaiho PDF software to the latest version What does Add Printer Driver Cause of Failure: 216 mean? Suddenly I got watermark across the page and my product became trial, why? How do I deactivate Gaaiho Suite 4 online/offline? How do I find my serial number? Comments 0 comments Please sign in to leave a comment.