Перейдите в папку ..\Crysis\Game\config\CVarGroups - в ней расположены файлы .cfg, которые нужно отредактировать открыв в текстовом редакторе (например блокноте):

////////////////в файле sys_spec_Full.cfg замените

[3]
sys_spec_ObjectDetail=3
sys_spec_Shading=3
sys_spec_VolumetricEffects=3
sys_spec_Shadows=3
sys_spec_Texture=3
sys_spec_Physics=3
sys_spec_PostProcessing=3
sys_spec_Particles=3
sys_spec_Sound=3
sys_spec_Water=3
sys_spec_GameEffects=3

на

[3]
sys_spec_ObjectDetail=4
sys_spec_Shading=4
sys_spec_VolumetricEffects=4
sys_spec_Shadows=4
sys_spec_Texture=4
sys_spec_Physics=4
sys_spec_PostProcessing=4
sys_spec_Particles=4
sys_spec_Sound=4
sys_spec_Water=4
sys_spec_GameEffects=4


////////////////в файле sys_spec_ObjectDetail.cfg замените

[3]
e_obj_quality=3
e_view_dist_ratio_detail=24
e_view_dist_ratio_vegetation=31
e_vegetation_sprites_distance_ratio=1
es_DebrisLifetimeScale=0.8
e_cbuffer_resolution=256
ca_AttachmentCullingRation=160
e_terrain_occlusion_culling_max_dist=200

на

[3]
e_obj_quality=4
e_proc_vegetation=1
ca_useDecals=1
e_decals_allow_game_decals=1
e_decals_life_time_scale=2
e_lod_ratio=6
e_lod_min=0
e_lods=1
e_view_dist_ratio_detail=30
e_view_dist_ratio_vegetation=45
e_vegetation_min_size=0
i_rejecteffects=1
e_vegetation_bending=2
sys_flash_curve_tess_error=2
e_view_dist_ratio=60
e_max_view_dst_spec_lerp=1
e_vegetation_sprites_distance_custom_ratio_min=1
e_vegetation_sprites_distance_ratio=1.5
e_detail_materials_view_dist_xy=2048
e_detail_materials_view_dist_z=128
es_DebrisLifetimeScale=1
e_cbuffer_resolution=256
e_dissolve=1
ca_DrawFaceAttachments=1
ca_AttachmentCullingRation=200
e_terrain_occlusion_culling_max_dist=200


////////////////в файле sys_spec_Particles.cfg замените

[3]
e_particles_quality=3
e_particles_max_emitter_draw_screen=16

на

[3]
e_particles_quality=4
e_particles_lod=1
e_particles_max_emitter_draw_screen=32
r_UseSoftParticles=1
e_water_ocean_soft_particles= 1
e_particles_object_collisions=1


////////////////в файле sys_spec_Physics.cfg замените

[3]
e_foliage_wind_activation_dist=20
g_breakage_particles_limit=200

на

[3]
e_cull_veg_activation=50
g_joint_breaking=1
g_tree_cut_reuse_dist=0
p_max_MC_iters=6000
e_phys_foliage=2
es_MaxPhysDist=200
es_MaxPhysDistInvisible=25
e_phys_ocean_cell=0.5
e_foliage_wind_activation_dist=25
g_breakage_particles_limit=250
p_max_object_splashes=3
p_splash_dist0=7
p_splash_dist1=30
p_splash_force0=10
p_splash_force1=100
p_splash_vel0=4.5
p_splash_vel1=10
v_vehicle_quality=4
p_max_substeps_large_group=5
p_num_bodies_large_group=100


////////////////в файле sys_spec_PostProcessing.cfg замените

[3]
r_DepthOfField=1
r_sunshafts=0
r_MotionBlur=1
r_colorgrading=0
r_GlowScreenMultiplier = 0.2

на

[3]
r_DepthOfField=2
r_MotionBlur=3
r_sunshafts=1
r_UseEdgeAA=1
r_Flares=1
r_Coronas=1
r_colorgrading=1
r_GlowScreenMultiplier = 0.2


////////////////в файле sys_spec_Quality.cfg замените

[3]
q_ShaderGeneral=2
q_ShaderMetal=2
q_ShaderGlass=2
q_ShaderVegetation=2
q_ShaderIce=2
q_ShaderTerrain=2
q_ShaderShadow=2
q_ShaderFX=2
q_ShaderPostProcess=2
q_ShaderHDR=2
q_ShaderSky=2
q_Renderer=2

на

[3]
q_ShaderGeneral=3
q_ShaderMetal=3
q_ShaderGlass=3
q_ShaderVegetation=3
q_ShaderIce=3
q_ShaderTerrain=3
q_ShaderShadow=3
q_ShaderFX=3
q_ShaderPostProcess=3
q_ShaderHDR=3
q_ShaderSky=3
q_Renderer=3
r_LightsSinglePass=0


////////////////в файле sys_spec_Shading.cfg замените

[3]
sys_spec_Quality=3
r_SSAO=1
r_SSAO_quality=1
r_SSAO_radius=1
r_DetailNumLayers=1
e_max_entity_lights=11
r_UsePom=0
r_FillLights = 14
e_particles_lights = 1

на

[3]
sys_spec_Quality=4
e_sky_type=1
e_sky_update_rate=1
r_DetailTextures=1
r_DetailNumLayers=2
r_DetailDistance=8
r_HDRRendering=2
r_SSAO=1
r_SSAO_quality=2
r_SSAO_radius=2
r_refraction=1
e_ram_maps=1
sys_flash_edgeaa=1
e_vegetation_use_terrain_color=1
e_terrain_ao=1
e_terrain_normal_map=1
e_max_entity_lights=16
r_UsePom=1
r_EnvTexUpdateInterval=0.05
r_TexturesFilteringQuality=0
r_HairSortingQuality = 1
r_FillLights = 14
e_particles_lights = 1


////////////////в файле sys_spec_Shadows.cfg замените

[3]
r_ShadowJittering=1
e_shadows_cast_view_dist_ratio=0.53
e_shadows_from_terrain_in_all_lods=1
e_gsm_cache = 1

на

[3]
e_shadows = 1
r_ShadowBlur=3
e_shadows_max_texture_size=1024
r_ShadowJittering=2.5
e_gsm_lods_num=5
e_gsm_range=3
e_shadows_cast_view_dist_ratio=0.8
r_ShadowsMaskResolution=0
e_shadows_on_alpha_blended=1
e_shadows_from_terrain_in_all_lods=1
e_gsm_cache = 0


////////////////в файле sys_spec_Sound.cfg замените

[3]
s_CacheSize=70
s_MPEGDecoders=32
s_ObstructionAccuracy=1
s_ObstructionUpdate=0.2

на

[3]
s_FormatSampleRate=48000
s_CacheSize=80
s_MPEGDecoders=32
s_Obstruction=1
s_ObstructionAccuracy=1
s_ObstructionUpdate=0.1
s_SoundMoodsDSP=1
s_VariationLimiter=1.0
s_ReverbType=2


////////////////в файле sys_spec_Texture.cfg замените

[3]
r_TexAtlasSize=1024
r_DynTexAtlasCloudsMaxSize=32
r_DynTexAtlasSpritesMaxSize=24

на

[3]
sys_LowSpecPak=0
r_TexSkyResolution=0
r_ImposterRatio=1
r_EnvCMResolution=2
r_EnvTexResolution=3
r_DynTexMaxSize=80
r_TexAtlasSize=2048
r_DynTexAtlasCloudsMaxSize=32
r_DynTexAtlasSpritesMaxSize=32
r_VegetationSpritesTexRes=64
r_TexturesStreaming = 2


////////////////в файле sys_spec_VolumetricEffects.cfg замените

[3]
r_BeamsDistFactor=0.5
r_BeamsMaxSlices=64

на

[3]
r_Beams=3
r_BeamsDistFactor=0.05
r_BeamsMaxSlices=200
e_Clouds=1
r_CloudsUpdateAlways=0


////////////////в файле sys_spec_Water.cfg замените

[3]
e_water_tesselation_amount=7
r_WaterUpdateFactor=0.05
r_WaterUpdateDistance=1
r_WaterReflectionsQuality=2
e_water_ocean_fft=0
q_ShaderWater=2
r_WaterReflectionsMinVisiblePixelsUpdate = 0.05

на

[3]
r_WaterRefractions=1
r_WaterReflections=1
r_WaterUpdateFactor=0.05
e_water_tesselation_amount=10
e_water_tesselation_swath_width=10
r_WaterUpdateDistance=0.2
r_WaterCaustics=1
r_WaterReflectionsQuality=4
e_water_ocean_fft=1
q_ShaderWater=2
r_WaterReflectionsMinVisiblePixelsUpdate = 0.05