The Signature Holder Service can be accessed using the most widespread web browsers (Chrome, Firefox, Edge...) .

For l'use from a desktop computer it is necessary to have a Java Virtual Machine installed to be able to run l'Signature Applet. The virtual machine <a href="http://www.java.com/es/download/" target="_self">can be downloaded from the JAVA website .

If you prefer, you can install the utility "<a href="https://descargas.viafirma.com/viafirma/desktop/download.html" target="_blank" rel="noopener">Viafirma Desktop " which will not require downloading the JNLP every time you access o sign.

In all cases it is necessary that the luser has a digital certificate issued by a qualified provider. You will find information about qualified certificates a <a href="https://suport-valid.aoc.cat/hc/ca/articles/4418039287185-Certificats-admesos-pel-validador-del-Consorci-AOC" target="_self"> Certificates accepted by the validator of the AOC Consortium.