Install Jarsigner

Windows

To download the JDK from Oracle:
  1. Navigate to Oracle > JDK 11 > Windows.
  2. Download the x64 MSI installer.
  3. Run the jdk-11_windows_x64_bin.msi file that was downloaded.
  4. Follow the instructions in the wizard to complete the installation.

    Jarsigner.exe should be located in the file path: C:\Program Files\Java\jdk-11\bin.

    Alternatively, you can download and install the JDK from OpenJDK.

Linux

On Debian and Ubuntu Linux distributions:
  1. Open the Terminal application.
  2. To install Java, run: 
    sudo apt install -y default-jdk
  3. To verify the Java version, run: 
    java --version
On RHEL, CentOS, and Fedora Linux distributions:
  1. Open the Terminal application.
  2. To install Java, run: 
    yum install java-1.8.0-openjdk.x86_64
  3. To verify the Java version, run: 
    java -version