All PaperCut language translations are included in the standard installer. Selection of language is done automatically based on user browser preferences and/or manual override on the interface login screen. The completeness of the language translation various from region/language. Some translations are 100% covering both the administration interface and end-user interfaces, while other languages are focused on services for end-users with the admin interface remaining in English.
This release contains an updated Java version which no longer supports 32-bit workstations. If you have any 32-bit users launching the User Client or Release Station from a network share, see this Knowledge Base article for more information.