Downloads — Software & Libraries

Download the latest versions of Certum software for electronic signatures, card management, and SimplySign mobile app.

Software & Libraries

Essential tools for electronic signatures and cryptographic card management.

proCertum SmartSign + SimplySign Desktop

Software for making and verifying electronic signatures. Includes the SimplySign Desktop module — emulates the connection of a physical crypto card and reader on your computer, allowing you to use SimplySign in applications that require a physical card.

Windows 10/11 macOS Linux

proCertum CardManager

Software for management of the cryptoCertum cryptographic smart card — initialize, manage certificates, change PIN codes, and more.

Windows 10/11 macOS Linux

SimplySign — Mobile Electronic Signature

Sign documents anywhere with the SimplySign mobile app. Available for Android and iOS.

Mobile App

Sign and verify documents on the go with your smartphone.

Desktop App

SimplySign Desktop is included in the SmartSign installer above.

Drivers for Cryptographic Card Readers

Download drivers for your Certum-compatible smart card reader.

ACR40T-A5 Mini

Download Driver

ACR40T-A1 Mini

Download Driver

ACR40U Standard

Download Driver

ACR39T-A1 Mini

Download Driver

ACR39U-U1 Standard

Download Driver

Need Help With Installation?

Our team is here to assist you with software setup and configuration. Contact us for free technical support.