eq advice

Hello Everyone! I'm using currently TIDAL app for music on my PC (win11) with copland DAC215 connected via USB and audeze LCD3 and fostex TH900mk2 i was wondering if i can use some EQ and if you can recommend any application that will work in mentioned scenario, thank you for any support...

I used to be in love with my Earsonic Starks, but recently I have found them lacking. After a quick search I saw how awkward its response graph was courtesy of Crinacle.com If any of you folks are good at creating graphic EQs. Apple Music on MacOS doesn't support PEQ.

I am sharing my REW measurements seeking for conclusions, thoughts, EQ and/or room treatment advise. What you see are the measurements of my main(2,2m) as well as my secondary(5m) listening position in a 30m2 non treated but really cared(curtains, carpets, furniture, canvas, positioning) room...