Question: how to install cue files?
Answer: Run PowerISO.
Click the "Open" button on toolbar or choose "File > Open" menu, then select the BIN or CUE file to open. ... 
PowerISO will open the selected BIN / CUE files, and list all files with them.
Click the "Extract" button on toolbar to open "Extract BIN file" dialog.
Choose the destination directory for extraction.