First, click on the site of Japanese localization plugins such as Pleiades-Eclipse, IntelliJ.
Click to go to this screen. Click on the latest Eclipse 2020.
Then click on Mac 64bit, full Edition.
When the download is complete, a file called pleiades-e4.4-java-64bit-jre_2020-03.zip will be created in the download folder.
Installation You can install it by unzipping pleiades-e4.4-java-64bit-jre_2020-03.zip.
Since you cannot create a shortcut, create a shortcut for "Installed folder \ pleiades \ ecripse \ ecripse.exe" on the desktop.