I have REV. G DE1-SoC board. How can I distinguish that which version of Quartus I Should use? I found the information that either I have to download Quartus 13.1 or 16.0. Please find attached file and give me feedback.

Hello Welcome to INTEL forum. The DE1-SoC Board belong to Terasic. It would be better if you could contact Terasic for enquiry related to Terasic board. Please accept my apologies for not being able to assist you fully as this is out of my expertise. Thank you for patience and understanding on this matter.