How can I increase my FPS?

[lxSch]

in my Actual PC using Sweet FX.

In Open world areas i get 80 - 140 FPS..... playing on 1080p.

In the Towns or really Crowed areas, I get 35 - 90 Frames depending, where im example in Mor Dhona. But i never get bellow of 30 FPS... In the ps4 you can notice the FPS droping below of 22..........

The effects i use on my game via Sweet FX are

4X SMAA
4X FXAA
HDR
ETC.

2.1 Cheating and Botting. You may not create or use any cheats, bots, automation software, hacks, mods or any other unauthorised software designed to modify the Game and gameplay. In addition, you may not take advantage of game system bugs and exploits during gameplay.
2.6 Hacking and Circumvention. You may not hack, disassemble, decompile, or otherwise modify the Game or server computer code, whether the Game code is located on a DVD, Blu-rayTM disc, your computer/console or on SQUARE ENIX’s servers, except as expressly permitted by SQUARE ENIX or applicable law.
2.7 Modifying or Creating Derivative Software. You may not modify or cause to be modified any files that are a part of the Game or Service in any way not expressly authorised by SQUARE ENIX, and may not make any derivative works of the Game.

Is there any official response allowing SweetFX?