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The Definitive Source for Everything CAC

Common Access Card help for your
Personal Computer


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(Everyone other than Marines look here)

Installation Steps

Step 1: Obtain a CAC Reader
Step 2: CAC Reader driver
Step 3: DoD Certificates
Step 4: Middleware
Step 5:  IE adjustments
Log into a CAC enabled website now to test
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Windows 10 users click here for information on how to use your CAC on your computer

Windows 8 users click here for information on how to use your CAC on your computer.

DO NOT follow instructions below



Mac users, please follow this site for instructions to be able to check your O365 email



You can use built in support (Windows 7, 8, 8.1, & 10 users only), Smart Card Manager, or TENS / LPS to use your CAC on your home computer.


WINDOWS 7, 8, 8.1, & 10 USERS: 

If your CAC is a "GEMALTO TOP DL GX4 144," "GEMALTO DLGX4-A 144," "GEMALTO DLGX4 128Kv2," "Oberthur ID One 128 v5.5 Dual," "Oberthur ID One v5.5a D," "G&D FIPS 201 SCE 3.2," or "G+D FIPS 201 SCE 7.0" you "may" be able to use your CAC without needing to install ActivClient. 

Another guide to help figure out which CAC you have

Read more about the older CACs and how to replace them

Gemalto 144 CAC image GemaltoDLGX4-A 144 image
Oberthur 5.5 CAC image
Oberthur 5.5a CAC G&D FIPS 201 SCE 3.2 image




You may purchase ActivClient 7.1 (Works with Windows 7, 8, 8.1, & 10)



 If you have questions or suggestions for this site, contact Michael J. Danberry



ACRONYM Reference Page


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Last Update or Review:  Sunday, 03 April 2022 12:49 hrs


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