Hi @shuaweir ,
Thank you so much for your interest in our products and for using our community.
Regarding your question, I suggest you refer to this link.
https://mcuxpresso.nxp.com/mcuxsdk/latest/html/boards/RT/mimxrt685audevk/gettingStartedXplorer/topic...

Note: NXP recommends version 10.1.11 of the Xtensa Xplorer IDE and tools for use with the RT600 DSP.
Please following this link step by step , especially " Install License Key " and "Identify PC MAC Address"
Wish it helps you.
If you still have question about it, please kindly let me know.
Best Regards
MayLiu