In this case, LibreOffice (of reasonably fresh version) would try to be helpful in its 'JRE Required' error message, telling you that it needs specific architecture (e.g., 64-bit) of JRE. Take care that you download from the Java home page (the right architecture. When you have installed a 64-bit LibreOffice, and 32-bit JRE, LibreOffice would not be able to find and use the JRE, no matter how hard you would try it. LibreOffice can only use JRE with matching architecture: i.e., 64-bit LibreOffice can only use 64-bit JRE, and 32-bit LibreOffice can only use 32-bit JRE. You may check the architecture of installed LibreOffice in menu Help ▸ About LibreOffice, where the version string looks like 'Version: 6.4.5.2 ( 圆4)' for 64-bit version, and 'Version: 6.4.5.2 ( x86)' for 32-bit version. If you have 32-bit operating system, you will be offered a 32-bit installer ( Windows (32-bit)⁠ ).If your Windows is 64-bit, LibreOffice Download page by default offers you a 64-bit LibreOffice installer.To use them, a supported version of JRE/JDK must be present and configured on the system.ĭo not mistake '圆4' and 'x86' architectures: when using Windows, you need to make sure that the architecture of installed LibreOffice matches the architecture of installed JRE. Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.Some LibreOffice functions require Java ( JRE/ JDK). Java(TM) SE Runtime Environment 18.9 (build 11.0.1+13-LTS) Display the JDK version javac -version Issue the following commands to verify that JDK/JRE are properly installed and display their version:.

Under 'Java Platform, Standard Edition' ⇒ 'Java SE 11.0.Goto 'Control Panel' ⇒ (optional) 'Programs' ⇒ 'Programs and Features' ⇒ Un-install ALL programs begin with 'Java', such as 'Java SE Development Kit. If you have previously installed older version(s) of JDK/JRE, un-install ALL of them. Although you can install multiple versions of JDK/JRE concurrently, it is messy. I recommend that you install only the latest JDK. Step 0: Un-Install Older Version(s) of JDK/JRE

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