The version number for Teradata ARC is always displayed in the startup banner in Teradata ARC output. For example:
07/30/2015 06:21:14 Copyright 1989-2015, Teradata Corporation. 07/30/2015 06:21:14 All Rights Reserved. 07/30/2015 06:21:14 07/30/2015 06:21:14 *** **** **** 07/30/2015 06:21:14 * * * * * PROGRAM: ARCMAIN 07/30/2015 06:21:14 ***** **** * RELEASE: 16b.00.00.00 07/30/2015 06:21:14 * * * * * BUILD: 160108LX64 (Jul 13 2015) 07/30/2015 06:21:14 * * * * **** 07/30/2015 06:21:14 07/30/2015 06:21:14 RESTARTLOG = ARCLOG150730_062114_30862.rlg 07/30/2015 06:21:14 07/30/2015 06:21:14 PARAMETERS IN USE: 07/30/2015 06:21:14 07/30/2015 06:21:14 07/30/2015 06:21:14 07/30/2015 06:21:14 CHARACTER SET IN USE: ASCII
Verify the Teradata ARC version number with operating-specific commands. For example, on Linux execute rpm -q teradata_arc to display the release version number for teradata_arc. On Windows, click to display a list of installed programs. The entry for Teradata ARC should list the release version number.