This is the client part of KeyAccess, required to permit Dartmouth licensed applications to run.
See Running KeyServed Applications. Keyserver-managed applications can only be run when the computer is connected to the campus network, directly or via VPN.
When asked for the KeyServer address, please make sure the address is keyserver.dartmouth.edu.
Unless instructed otherwise, always install the highest-numbered version available.
Additional installation notes:
Installing on Mac
Installing on Windows