Help me PLEASE

[SOO]

Dear professor.

I have some problems with the tools, TAACO, TAALED< TAASSC, TAALES.

<First Problem>

I am a MacOs user, and downloaded recent programs.

When I tried to use them, but it didn’t work. 

The tool working well, but result file is empty. 

I put the file together. Please check and find solution.

<Second problem>

This one is the problem with window laptop.

When I insert the file to use the program, 

message popped up and said

“’java' is not recognized as an internal or external command, operable program, or batch file.”

Please check and find solution.