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Versions of JetBrains Runtime for all supported architectures (including 32-bit Linux and 64-bit Windows systems) can be downloaded at accessed via
JBR11 https://bintraygithub.com/jetbrains/intellij-jdk/.JetBrains/JetBrainsRuntime#releases
JBR17 https://github.com/JetBrains/JetBrainsRuntime/tree/master17#releases
This page has instructions on changing runtime version IDEs run under. Runtime version in use can be verified in IDE's About screen.
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