Every time I launch the new native Minecraft launcher it downloads java, and right after that I delete it. I already have java installed, I don't want it to be installed again. I also already have my profile set to use my already-installed java, it works fine.

How can I stop it from downloading the java runtime every time I start it?

  • 1
    Wondering if using MultiMC gives you this option
    – Ben
    Commented Feb 11, 2021 at 22:10

1 Answer 1


You cannot. The real question is why you care, this version is only used by the game itself and cannot be used to open other executable JAR files. EDIT: it may be possible to place another executable as a placeholder, so Minecraft thinks that the JRE is there, but it is not.

  • 2
    I think it's a reasonable question, since lots of people are strapped for storage space, installing to versions of Java runtime is obviously going to take up more space
    – Ben
    Commented Feb 11, 2021 at 22:09
  • Also, not everybody has a broadband Internet connection with unlimited data usage. Redownloading the JRE every time without needing it, is a huge waste of bandwidth, time, and possibly money.
    – AJPerez
    Commented Feb 12, 2021 at 1:55
  • You could always not delete it every time, and the JRE that comes with minecraft is less then 50 mb Commented Feb 12, 2021 at 19:45
  • however I thought of something that may or may not work, and added it Commented Feb 12, 2021 at 20:07

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