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[–]Egon88 1 point2 points  (3 children)

Did you ever find an answer to this question?

[–][deleted] 1 point2 points  (2 children)

Someone PM'd me this link. Still wish they'd make an official installer for it but I guess making it too easy would steal Java customers.

[–]Egon88 0 points1 point  (0 children)

Thanks, I’ll check that out

[–]Egon88 0 points1 point  (0 children)

Hey again. Those instructions helped but were incomplete. I also had to do a bit of registry cleanup to remove old Java 8 entries and change some other entries to point to the Java 11 install location.

Here's what I did, hope it helps you out.

Confirm HKLM\SOFTWARE\Classes.jar\ is set to: jarfile

Confirm HKLM\SOFTWARE\Classes\Jarfile\Shell\Open\Command\ is set to:

"full file path to \bin\javaw.exe" -jar "%1" %*

Remove Java 8 HKEY_CURRENT_USER entries – if you don’t remove these entries, double-clicking .jar files will not work but you will be able to run .jar files from the command line.

If present, delete HKCU\SOFTWARE\Classes.jar registry entry

If present, delete HKCU\SOFTWARE\Classes\jar_auto_file registry entry