打开options.txt
把游戏分辨率改成480×360，特效阴影全关，窗口化
再把桌面分辨率改成800×600 ，或者640×480
OK 最低配置也能完全不卡
networkSpeed               = low
networkMTU                 = 1400
displayDamage              = false
quickBuy                   = true
itemComparison             = false
extraRollovers             = true
showMonsterLevelOnRollover = false
dayNightCycle              = false
textureQuality             = low
shadowQuality              = low
shadows                    = false
reflectionQuality          = low
detailLevel                = low
resolution                 = 480 360
antiAliasing               = false
fullscreen                 = false
syncToRefresh              = false
tripleBuffer               = false
masterVolume               = 0.466387
musicVolume                = 0
effectsVolume              = 0.441176
dialogVolume               = 0.428571
ambientFrequency           = low
rockOn                     = false
device                     = OpenGL
language                   = English
forceSingleProcessorMode   = true
skipCompatibilityChecks    = true
useArchives                = true