If upgrading from a single user CD to the most recent single user CD, please follow the instructions in the accompanying manual.
Otherwise choose the upgrading option below:
A) Upgrading from Wordshark (Original), Wordshark 2 or 2L, or Numbershark (Original)
B) Upgrading from a single user CD or DVD version to a network version
C) Upgrading the number of permitted concurrent users, whilst retaining the current network version
D) Upgrading from an earlier network version to the current network version 5