NsPro server will allow inactive inactive NsPro cards to run
any NsPro version released before activation expiration date.

If the activation expired, you need to buy activation to use latest nspro versions.
All older NsPro versions are available on NsPro support area
If your card is inactive and you cant access the support area, use this version to access the support area: : : NsPro v5.2.3: :

You can check on NsPro when your activation expire: