Compatible Operating Systems

• Windows
• Mac OS
• Linux

Note: Mobile operating systems are not supported due to limitations in reading digital certificates and running Java applets.

Compatible Browsers

• Mozilla Firefox – all versions
• Microsoft Edge – all versions
• Google Chrome – all versions

Java: Updated Java 8 or OpenWebStart + Java/OpenJDK 8 (Amazon Corretto 8 or Eclipse Temurin 8).
If multiple versions of Java are installed, OpenWebStart must be configured to use Java 8 when running platform applications.

Ports 80 and 443 to http e https

These options are defined as standard in the network options. If you experience difficulties, please contact your network manager or supplier.

For the correct use of the ComprasPT platform, users must activate the TLS functionality in their browser.

Click on the links below to confirm that you can access the list of Revoked Certificates (CRL) for each Issuing Entity. You just need to confirm access to the links, there is no need to download the files.

Multicert | Digitalsign | Cartão de Cidadão