Note: You must uninstall your current driver and OneTouch software to install an updated driver.
If your computer blocks the download for security reasons, you need to click the top bar for options, then try the download again.
Operating Systems Compatibility: As listed in section "Minimum System Requirements". This scanner is not compatible with Windows Me or Windows 98. Support for Windows 2000 has ended with OneTouch version 4.5
Driver for Microsoft Windows 10, 8, 7
Certified TWAIN, WIA and ISIS drivers
This download includes Windows device driver(s) (required to operate your scanner) as well as all applicable TWAIN, WIA and ISIS drivers. See product specifications for supported drivers.
| Multilingual | DM3640_5.1.215.7134.XX.msi | 50 MB |
Acuity
Automatic Intelligent Image Correction Software
| Multilingual | Acuity_V1_5.1.2018.5244.XX.msi | 27.1 MB |
OneTouch 4 Software for Microsoft Windows 11, 10, 8, 7
OneTouch 4.x software for OneTouch and button scanning
Visioneer OneTouch is a utility that connects scanner buttons with pre-selected destinations (and/or applications) and allows you to scan into these destinations by simply pressing one button. Destinations can include your email, Word processor, printer or simply a file folder.
| Multilingual | OT4.4.6.3723.1102.XX.exe | 600.9 MB |
Additional Software, Components and Utilities
| DM3640 Kofax VRS Component Installer.exe | 1.2 MB | |
| Kofax VRS 4.50.286 full version (158MB).url | 160 Bytes | |
| Microsoft .NET 3.5 SP1 for Windows 8 users (2.8MB).url | 148 Bytes |
Manuals and Documentation
Windows - Installation and User Guides
Includes troubleshooting and reinstallation procedures.
| German | DM3640_Guide.OT4.DE.pdf | 7.3 MB |
| English | DM3640_Guide.OT4.EN.pdf | 7.5 MB |
| Spanish | DM3640_Guide.OT4.ES.pdf | 7.3 MB |
| French | DM3640_Guide.OT4.FR.pdf | 7.6 MB |
| Italian | DM3640_Guide.OT4.IT.pdf | 7 MB |
| Portuguese | DM3640_Guide.OT4.PT.pdf | 8.1 MB |
| Russian | DM3640_Guide.OT4.RU.pdf | 7.3 MB |
Windows - OneTouch Guides
Includes details on OneTouch software.
| Chinese (Simplified) | OneTouchGuide.CN.pdf | 2.4 MB |
| German | OneTouchGuide.DE.pdf | 2.6 MB |
| English | OneTouchGuide.EN.pdf | 2.5 MB |
| Spanish | OneTouchGuide.ES.pdf | 2.7 MB |
| French | OneTouchGuide.FR.pdf | 2.5 MB |
| Italian | OneTouchGuide.IT.pdf | 3 MB |
| Korean | OneTouchGuide.KO.pdf | 2.5 MB |
| Portuguese | OneTouchGuide.PT.pdf | 2.6 MB |
| Russian | OneTouchGuide.RU.pdf | 3.2 MB |
| Turkish | OneTouchGuide.TR.pdf | 2.3 MB |
| Chinese (Traditional) | OneTouchGuide.TW.pdf | 2.7 MB |
Windows - TWAIN User Guides
Describes scanning from TWAIN and WIA.
| Chinese (Simplified) | DM3640_TWAINGuide.CN.pdf | 5.6 MB |
| German | DM3640_TWAINGuide.DE.pdf | 2.8 MB |
| English | DM3640_TWAINGuide.EN.pdf | 4.1 MB |
| Spanish | DM3640_TWAINGuide.ES.pdf | 2.7 MB |
| French | DM3640_TWAINGuide.FR.pdf | 2.9 MB |
| Italian | DM3640_TWAINGuide.IT.pdf | 2.8 MB |
| Korean | DM3640_TWAINGuide.KO.pdf | 5.4 MB |
| Portuguese | DM3640_TWAINGuide.PT.pdf | 2.9 MB |
| Russian | DM3640_TWAINGuide.RU.pdf | 3 MB |
| DM3640_TWAINGuide.TK.pdf | 2.5 MB | |
| Chinese (Traditional) | DM3640_TWAINGuide.TW.pdf | 5.7 MB |
Certificates and Compliance
| DM3640_ENERGY_STAR_cert.pdf | 33.6 KB | |
| English | DM3640_ErP_Power_Mode_Information.EN.pdf | 27.5 KB |
| Czech | DM3640_EU_DeclarationOfConformity.CS.PDF | 91.6 KB |
| German | DM3640_EU_DeclarationOfConformity.DE.PDF | 19.5 KB |
| Greek | DM3640_EU_DeclarationOfConformity.EL.PDF | 96.6 KB |
| English | DM3640_EU_DeclarationOfConformity.EN.PDF | 18.5 KB |
| Spanish | DM3640_EU_DeclarationOfConformity.ES.PDF | 19.5 KB |
| French | DM3640_EU_DeclarationOfConformity.FR.PDF | 73.6 KB |
| Italian | DM3640_EU_DeclarationOfConformity.IT.PDF | 47.8 KB |
| Dutch | DM3640_EU_DeclarationOfConformity.NL.PDF | 19.1 KB |
| Polish | DM3640_EU_DeclarationOfConformity.PL.PDF | 90.6 KB |
| Portuguese | DM3640_EU_DeclarationOfConformity.PT.PDF | 41.2 KB |
| Romanian | DM3640_EU_DeclarationOfConformity.RO.PDF | 82.3 KB |
| Turkish | DM3640_EU_DeclarationOfConformity.TR.PDF | 93.1 KB |
| English | DM3640_Section508.EN.pdf | 1.1 MB |