Java: Download & Install on Windows

[last updated: 2019-05-28]
go to: Java
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In the end, I abandoned this as unsuccessful. OTOH the real problem had nothing to do with Java or the instructions, but with the fact that I did not have a working program to unzip the Java software.
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Regardless I proceed: from G0KLA, I go here:
(link to:) Oracle to download the latest JDK (Java Development Kit).
As of now (2019-05-22), the most recent version of the Java SE Platform is Java SE 12.0.1.
Versions are available for Windows, Mac and Linux.

I tried to download, but it said I had to accept the license agreement first, but I couldn't find where to do that. Perhaps I need to register?

No. Finally This worked:
from download page: click big button "Java download, Java Platform (JDK) 12"
At the bottom of the colored block, "latest OpenJDK release", click on jdk.java.net
On jdk.java.net, "Ready for use: JDK 12", click "JDK 12"
First download: for Windows x64, (code: 196414289)
click on "zip"
openjdk-12.0.1_windows-x64_bin.zip downloaded to Desktop
click on "sha256" for checksum
    fc7d9eee3c09ea6548b00ca25dbf34a348b3942c815405a1428e0bfef268d08d
I put the zip file into Documents/.../Java folder, and extracted it there.
Then I searched online where it said the typical location is Program Files/Java
    So I created a Java folder in Program Files, and moved the zip file there, but it gave error when I tried to extract
    So I just copied all the extracted files from my Documents folder into the Program Files/Java folder, and that seemed to work.
However: after rebooting, entering java -version on command prompt said no such file or program. Back to the drawing board.
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Deleted all the extracted folders/files in Program Files.
Found openjdk installation instructions here:
(link to:) openjdk installation
Per instructions there, executed:
unzip openjdk-12*_bin.zip in command prompt
However: unzip was not found as a valid program
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Found winzip online. Downloaded and executed install file. Rebooted.
Executed unzip command. Same failure: unzip file/program not found.
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Opened Start menu. I see icon for WinZip under "Recently Added." Clicked it. Clicked "Use Evaluation Version."
Dialogue opens. In left pane, navigated to Java folder (what a POS UI that was).
Dragged openjdk...zip but again it failed, saying the files were incomplete or missing something.

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eof