To activate the certificate you need the SimplySign application in mobile and desktop versions:
- SimplySign Mobile – mobile application available from the website https://simplysign.certum.eu/downloads/ or the Google Play/App Store. The application should be installed on a mobile phone.
- SimplySign Desktop – application available from https://simplysign.certum.eu/downloads/. The application should be installed on the computer on which the certificate will be used.