Before downloading, verify your system meets these specifications:
Note: Version 7.5.x and higher dropped support for Windows 8.1 and earlier. activclient version 7.4.1.5 -or higher- download
If you cannot obtain ActivClient, Windows 10/11 includes native smart card support (PnP, minidriver) that may work for basic CAC functions (email, certificates, authentication). However, for advanced features (e.g., ActivClient’s Certificate Manager, one-click PIN reset), ActivClient is still required. for advanced features (e.g.