Use the Help>Update Image command to upgrade to newer versions of ImageJ Troubleshooting Note: When launching ImageJ for the first time, you may get a message saying that the Java Virtual Machine (JVM) cannot be found, in which case you will need to find the javaw.exe command in the file system, at a location something like 'C:\Program Files\Java\jdk8\bin\javaw.exe'. The Windows version of ImageJ is available bundled with either Java 6 or Java 8, and without Java. The freedom to improve the program, and release your improvements to the public, so that the whole community benefits.The freedom to redistribute copies so you can help your neighbor.The freedom to study how the program works, and change it to make it do what you wish.
The freedom to run the program, for any purpose.An ImageJ user has the four essential freedoms ImageJ is public domain open source software.