电源开启卓越性能

开启游戏模式

开启硬件加速

第一步：点开我的电脑，找到文档，找到Call of Duty文件夹，找到options文件用记事本打开，点上面的编辑查找，把下面的每个的第一行粘贴复制到搜索内容，查找找到后把每个的第二行改成和下面的一样，改完后退出保存。

// Particle Quality quality level 

ParticleQualityLevel = "very low" //  very low, low, medium, or high

// Particle Lighting quality level 

PixelPerLightmapTexel = "1" // 1 to 256

// Show bullet impacts 

BulletImpacts = "0" // 0 or 1

// High detail models at a high distance 

LodDistanceQuality = "0" // 0 or 1

// Corpses culling threshold 

CorpsesCullingThreshold = "0.5" // 0.5 to 1

// Catmull Clark subdivision level 

SubdivisionLevel = "0" // 0 to 8

// Use large physical textures 

VirtualTexturingLargeMemoryMode = "0" // 0 or 1

// Volumetric quality 

VolumetricQuality = "QUALITY_LOW" //  QUALITY_LOW, QUALITY_MEDIUM, or QUALITY_HIGH

// Screen Space Shadow quality level 

ScreenSpaceShadowQuality = "Low" //  Off, Low, or High

// Shadow resolution quality level 

ShadowMapResolution = "Very Low  (384)" //  Very Low  (384), Low       (384), Normal    (512), High      (768), Extra     (1024), or Ultra     (2048)

// Quality level of shadows from the sun at a distance 

SunShadowCascade = "Low    (1 cascade)" //  Low    (1 cascade), or Normal (2-3 cascades)

// Use spot shadow cache to improve framerate 

CacheSpotShadow = "Enabled" //  Disabled, Enabled, or Preserve Updates

// Particle Lighting Quality 

ParticleLighting = "0" // 0 to 5

// How many lights can receive dynamic shadows 

RoundRobinPrioritySpotShadowsMax = "0" // 0 to 16

// Reflection probe relighting update stages 

ReflectionProbeRelighting = "1" // 1 to 4

第二步：在steam游戏库中右键cod19-属性-添加启动项（+fps_max unlimited）

第三步：游戏内画面设置(酌情参考）

到此结束。