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Download and install the eID software for electronic identity
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ATTENTION: new versions of eID Middleware and Viewer are available. Please install these new versions to keep using your electronic identity card in online applications without any problems.

The validity of my signature is unknown. What should I do?

On Windows

I cannot place an electronic signature. What should I do?
How do I digitally sign a document with Acrobat Reader DC?
The validity of my signature is unknown. What should I do?
My digital signature is invalid. What should I do?

On Mac

How do I set a digital signature with Acrobat Reader DC?
How do I digitally sign a document with Acrobat Reader DC?
I cannot place an electronic signature. What should I do?
My digital signature is invalid. What should I do?
The validity of my signature is unknown. What should I do?

On Linux

How do I electronically sign a document in Acrobat Reader DC?
How can I configure Libreoffice to sign documents with the eID?
How can I sign documents with Libreoffice?
How can I sign existing PDF files in Libreoffice?
How can I sign PDF files with a timestamp in Libreoffice?