Still trying to figure this out. I installed the Java 11 as per the link, zipped both files into one folder. When i open the DB Launcher Tool it says, "Error: A JNI error has occured, please check your installation and try again." I feel like I followed the instructions but i'm doing something wrong.
I did download someone elses Java recommendation and now i can get the Db Launcher to open. But when i'm on that final step in which im supposed to "Replace Launcher" It shows up saying, "Failed, Could not find: DBLauncher.jar"