Hello Tamara,
Yes, you can.
Install NW 7.4 AS Java first selecting below usage types.
Then install Secure Login Server 2.0 SP4 component. Second Picture.
Then you can continue with Initialization of Secure Login Server.
You can check videos from link Implementing Single Sign-On with X.509 Certificates
and Implementation Guide for details.
Regards,
Yuksel AKCINAR