Instructions for root certificate installation (download root certificate through Internet Explorer)

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You will need a root certificate when Windows does not have enough information to verify your digital certificate information and the portal/signature component requires a locally verified certificate. If you do not know which root certificate to install, check the instructions here.


Download the Halcom CA PO e-signature 1.cer or Halcom CA PO 3.cer file from the POLICIES AND DOCUMENTS webpage by clicking ADVANCED QUALIFIED DIGITAL CERTIFICATES FOR LEGAL ENTITIES and after that clicking on the blue-colored certificate title or download button in the table, as shown below.


A download pop-up window will open in your browser.


Open the file you downloaded by clicking Open. The window below will appear. Click Install Certificate.


Open in a new window, leave the selected settings and click Next.


Leave the selected settings and click Next.


By clicking Finish, you will complete importing the root certificate.


A new window will appear, informing you whether the import has been successful.


For instructions on how to check if the root certificate installation has been successful, see the link here.