java
java
You can change your system to use 64-bit Java by following the on-screen steps for your operating system. If you're unsure, ask a tech helper or look up your specific computer's instructions.
I removed Java completely and reinstalled the 64-bit version previously.
You can remove Java from Windows 8.1 by using the Control Panel or the Settings app, then deleting the Java installation folder.
You need to remove Java from your system and then reinstall it. Follow the appropriate steps for your operating system.
Verify your user folders, they should include an option to uninstall something similar to "Java Runtime Environment." Move on to Oracle and download the 64-bit version. I don’t own Windows 8.1, but I’ve assisted a friend with this issue before. If needed, search online for further guidance.
You can use a previous Java release for Minecraft, but it may affect system performance and compatibility. Make sure the version matches your Minecraft requirements.