Typing “java -version” into command prompt should now return the following message: In the “Apps” page search for java and uninstall any existing versions. Open “Windows Settings” and select “Apps” All versions of 1.8.x and higher from Adoptium are free to download and install. Alternatively, the customer can move to another vendor of OpenJDK outside of Oracle, such as the popular.

To avoid being charged, the end user can upgrade to a more recent version of Java (such as version 1.11.x). There have been licensing changes that require payment for versions of 1.8.x of Oracle's Java. If this is the case, then you do not need to follow the java uninstall guide and can skip to installing OpenJDK. This means that your system does not have java installed at all. It is possible that you receive a message “Java is not recognized as an internal or external command”.

If this says “OpenJDK” version 11 or newer skip to section 2.

Open command prompt and type “java -version”. Begin by checking the version of Java you have installed. Therefore, a Java Runtime Environment (JRE) needs to be installed properly to run OneWireViewer.

Install openjdk 11 windows