Installazione e aggiornamento > Installation and Configuration Guide - Update Existing Installation > Updating an Existing Installation > Announcing System Availability
  
Announcing System Availability
After bringing your system back online and completing the special instructions described in the Windchill - Da leggere prima, you can announce that users can log on.
Explain that some users will experience downloads of updates and may be required to perform re-installations of some applications (depending upon your site usage of client applications).