Manage Multiple Azul Zulu Versions on Windows

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You can install multiple major versions of Azul Zulu on the same machine and switch between them when necessary.

If you use the MSI installer to install Azul Zulu, the installer adds the java executable to the beginning of the string of the system PATH environment variable and makes it the default command for running Java.

For example, if you have Azul Zulu 11 and Azul Zulu 8 installed, you have the following segments in the PATH string:

C:\Program Files\Zulu\zulu-11\bin\
C:\Program Files\Zulu\zulu-8\bin\

To switch between your Azul Zulu installations on Windows, modify the PATH environment variable as follows:

Select Control Panel and then System.
Click the Advanced system settings link.
Click the Environment Variables button. In the System Variables area, find the PATH environment variable and select it.
Click the Edit button. In the Variable value field, put the segment of the desired installation at the beginning of the string.
Click OK. Close all remaining windows by clicking OK.