1. Открываем блокнот и добавляем туда следущее:

// dT ! Legal FPS Config v2.4.1
// Updated : 18 December 2007
// Cvars Value for the command
//Rates Settings

cl_lagcomp_errorcheck "1"
cl_lagcompensation "1"
cl_updaterate "101"
cl_interpolate "1"
cl_cmdrate "101"
cl_interp "0.01"
cl_smooth "1"
cl_smoothtime "0.01"
cl_resend "6"
rate "30000"
cl_pred_optimize "2"
net_maxfragments "1280"
cl_timeout "30"
cl_predictweapons "1"

//Ingame Quality
jpeg_quality "100"
mat_monitorgamma "1.6"
mat_debug_postprocessing_effects "0"
mat_debugdepthmode "0"
mat_debugdepthval "128"
mat_debugdepthvalmax "256"
cl_allowdownload "0"
cl_allowupload "0"
cl_forcepreload "1"
cl_drawmonitors "0"
gl_clear "1"
texture_budget_background_alpha "9999999"
texture_budget_panel_height "0"
texture_budget_panel_width "0"
mat_compressedtextures "1"
mat_filterlightmaps "1"
mat_forcehardwaresync "0"
mat_reducefillrate "1"
mat_disable_bloom "1"
r_maxdlights "32"
mat_wateroverlaysize "8"
cl_show_splashes "0"
cl_detail_avoid_force "0"
cl_detail_avoid_radius "0"
cl_detail_avoid_recover_speed "0"
cl_detail_max_sway "0"
muzzleflash_light "0"
mat_hdr_enabled "0"
r_maxnewsamples "0"
r_maxsampledist "0"
r_norefresh "0"
r_minnewsamples "0"
mat_parallaxmap "0"
mat_hdr_level "0"
budget_peaks_window "0"
mat_forceaniso "0"
mat_bloomscale "0"
mat_forcemanagedtextureintohardware "0"
mat_fastnobump "1"
cl_wpn_sway_interp "0"
mat_trilinear "0"
budget_show_peaks "0"
budget_averages_window "0"
budget_background_alpha "0"
budget_show_averages "0"
mat_antialias "0"
mat_specular "0"
mat_bumpmap "0"
mat_bufferprimitives "1"
mat_disable_lightwarp "1"
budget_show_history "0"
mat_framebuffercopyoverlaysize "0"
budget_history_range_ms "5"
r_forcewaterleaf "0"
mat_disable_ps_patch "1"
mat_envmapsize "0"
mat_envmaptgasize "0"
mat_disable_fancy_blending "1"
mat_autoexposure_max "0"
mat_autoexposure_min "0"
budget_history_numsamplesvisible "0"
mat_picmip "1"
mat_clipz "1"
r_phong "0"
lod_TransitionDist "0"
mat_vsync "0"
r_decal_cullsize "9999"
r_shadows "1"
r_eyes "0"
r_eyeglintlodpixels "0"
r_eyesize "0"
r_eyeshift_z "0"
r_shadowrendertotexture "1"
flex_smooth "0"
r_lod_noupdate "1"
r_flex "0"
r_eyeshift_y "0"
mat_shadowstate "0"
r_eyeshift_x "0"
r_eyemove "0"
r_eyegloss "0"
r_teeth "0"
r_decals "0"
r_worldlightmin "0.0002"
r_waterforcereflectentities "0"
r_worldlights "2"
r_PhysPropStaticLighting "0"
r_cheapwaterend "1"
r_cheapwaterstart "1"
r_updaterefracttexture "0"
r_WaterDrawReflection "0"
r_WaterDrawRefraction "0"
r_drawflecks "0"
r_dopixelvisibility "0"
r_renderoverlayfragment "0"
r_occlusion "0"
r_shadowmaxrendered "10"
r_rootlod "2"
r_lod "2"
r_drawbatchdecals "0"
cl_rumblescale "0"
cl_ejectbrass "0"
mp_decals "1"
net_showevents "0"
r_spray_lifetime "1"
showhitlocation "1"
r_ambientboost "0"
r_ambientfactor "1"
r_waterforceexpensive "0"
r_ropetranslucent "0"
r_dynamic "0"
r_lightaverage "1"
g_ragdoll_fadespeed "0"
g_ragdoll_lvfadespeed "0"
lod_enable "1"
cl_autohelp "0"
cl_c4progressbar "1"
hud_centerid "0"
dsp_water "14"
blink_duration "0"
hud_fastswitch "1"
closecaption "0"

//Sound Settings
snd_mixahead "0.1"
snd_async_fullyasync "0"
snd_digital_surround "1"
snd_noextraupdate "1"
suitvolume "0"
dsp_enhance_stereo "0"
dsp_slow_cpu "0"
dsp_spatial "40"
dsp_speaker "50"
dsp_volume "2"
cl_downloadfilter "nosounds"
snd_profile "0"
volume "1"
voice_scale "1"
voice_modenable "1"
voice_enable "1"

// These cvars boost your fps dramaticly
r_3dsky "0"
r_sse "1"
r_sse2 "1"
r_mmx "1"
r_3dnow 1

props_break_max_pieces "0"
fps_max "1337"
con_enable "1"
weapon_showproficiency "1"

//Ropes
rope_smooth_maxalphawidth "0"
rope_smooth_maxalpha "0"
rope_smooth_enlarge "0"
rope_wind_dist "0.01"
rope_subdiv "0"
rope_smooth_minwidth "0"
rope_smooth_minalpha "0"
rope_averagelight "0"
rope_smooth "0"
rope_shake "0"
rope_collide "0"

//Models
cl_ragdoll_physics_enable "0"
cl_ragdoll_collide "1"
cl_phys_props_max "50"
r_maxmodeldecal "0"
cl_minmodels "1"
cl_min_ct "1"
cl_min_t "1"
r_drawmodeldecals "0"

//Blood Settings
violence_ablood "1"
violence_agibs "1"
violence_hblood "1"
violence_hgibs "1"
clear
echo "dT fps config v2.4.1 executed!"

2. Сохраняем данный файл как autoexec.cfg

3. Кидаем полученный файл в папуку с игрой    ...\Steam\SteamApps\ваш_профиль\counter-strike source\cstrike\cfg

При данном конфиге мой FPS поднялся на 60