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SAP GUI 7.50 requires Java 8 to run. You can download Java 8 JDK from the following link.
Download link: https://cloudstor.aarnet.edu.au/plus/s/wqTUumuUqKUw4GC jdk-8u144-macosx-x64.dmg
Once downloaded, double click on the .dmg file.
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Download SAP GUI 7.50 installer from the following link.
Download link: https://cloudstor.aarnet.edu.au/plus/s/subwNYvqIei9zHX PlatinGUI750_5-80002494.jar
Double click the .jar file you downloaded.
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