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TTworkbench: Which Java version is required to use TTworkbench?

TTworkbench 32/64 Bit, Microsoft Windows/Linux
Java JDK or JRE version 8 or greater.
  • Using a 64bit System: We recommend to install Java 64bit and TTworkbench 64bit.
  • Using a 32bit System: You have to insall Java 32bit and TTworkbench 32bit.

  • Since TTworkbench 28 Release, a 64-bit JVM is required (no support for 32-bit JVM)
  • Java 14 support since TTworkbench 30 release (Integrated OpenJDK 14 (only for Windows))
  • Java 13 support since TTworkbench 29 release (Integrated OpenJDK 13 (only for Windows))
  • Java 12 support since TTworkbench 28 release (Integrated OpenJDK 12 (only for Windows))
  • Java 11 support since TTworkbench 27 release
  • Java JDK includes JRE

Additional information:

If you have more then one Java installed, you have to check which Java is set in your Enviornment variable Path (e.g.: "C:\Program Files\Java\jdk1.8.0_66\bin";)

Otherwise, please close TTworkbench and modify the ttworkbench.ini file (located in TTworkbench installation directory) with any text editor by inserting a "-vm" option BEFORE the "-vmargs" option.
The line with the -vm option must point to your JDK bin directory e.g.:

C:\Program Files\Java\jdk1.8.0_66\bin


Afterwards, save the ttworkbench.ini file and start TTworkbench.