It's in the main folder. Create a config.xml in the main folder (where system.mrs and sfx.mrs is) and put this in config.xml:
Code:
<?xml version="1.0"?><XML>
<SERVER>
<IP>0,0,0,0</IP>
<PORT>6000</PORT>
</SERVER>
<SKIN>Default</SKIN>
<VIDEO>
<WIDTH>800</WIDTH>
<HEIGHT>600</HEIGHT>
<COLORBITS>32</COLORBITS>
<GAMMA>255</GAMMA>
<FULLSCREEN>TRUE</FULLSCREEN>
<REFLECTION>true</REFLECTION>
<LIGHTMAP>true</LIGHTMAP>
<DYNAMICLIGHT>true</DYNAMICLIGHT>
<SHADER>true</SHADER>
<CHARACTORTEXTURELEVEL>0</CHARACTORTEXTURELEVEL>
<MAPTEXTURELEVEL>0</MAPTEXTURELEVEL>
<EFFECTLEVEL>0</EFFECTLEVEL>
<TEXTUREFORMAT>1</TEXTUREFORMAT>
<MOVINGPICTURERESOLUTION>2</MOVINGPICTURERESOLUTION>
<MOVINGPICTUREFILSIZE>1</MOVINGPICTUREFILSIZE>
<NHARDWARETNL>false</NHARDWARETNL>
</VIDEO>
<AUDIO>
<BGM_MUTE>true</BGM_MUTE>
<BGM_VOLUME>0.657000</BGM_VOLUME>
<EFFECT_MUTE>false</EFFECT_MUTE>
<EFFECT_VOLUME>0.634100</EFFECT_VOLUME>
<SOUND_3D>1</SOUND_3D>
<A8BITSOUND>false</A8BITSOUND>
<INVERSESOUND>true</INVERSESOUND>
<HWMIXING>true</HWMIXING>
<HITSOUND>true</HITSOUND>
<NARRATIONSOUND>true</NARRATIONSOUND>
</AUDIO>
<MOUSE>
<SENSITIVITY>0.990000</SENSITIVITY>
<INVERT>FALSE</INVERT>
</MOUSE>
<JOYSTICK>
<SENSITIVITY>1.000000</SENSITIVITY>
<INVERT>FALSE</INVERT>
</JOYSTICK>
<KEYBOARD>
<USEWEAPON alt="258">29</USEWEAPON>
<USEWEAPON2 alt="33">259</USEWEAPON2>
<PREVOUSWEAPON alt="-1">-1</PREVOUSWEAPON>
<NEXTWEAPON alt="257">18</NEXTWEAPON>
<FORWARD alt="-1">17</FORWARD>
<BACK alt="-1">31</BACK>
<LEFT alt="-1">30</LEFT>
<RIGHT alt="-1">32</RIGHT>
<MELEEWEAPON alt="256">16</MELEEWEAPON>
<PRIMARYWEAPON alt="20">3</PRIMARYWEAPON>
<SECONDARYWEAPON alt="21">4</SECONDARYWEAPON>
<ITEM1 alt="-1">5</ITEM1>
<ITEM2 alt="-1">6</ITEM2>
<COMMUNITYITEM1 alt="-1">7</COMMUNITYITEM1>
<COMMUNITYITEM2 alt="-1">8</COMMUNITYITEM2>
<RELOAD alt="260">19</RELOAD>
<JUMP alt="-1">57</JUMP>
<SCORE alt="-1">15</SCORE>
<MENU alt="-1">1</MENU>
<TAUNT alt="-1">41</TAUNT>
<BOW alt="-1">7</BOW>
<WAVE alt="-1">8</WAVE>
<LAUGH alt="-1">9</LAUGH>
<CRY alt="-1">10</CRY>
<DANCE alt="-1">11</DANCE>
<SCREENSHOT alt="-1">88</SCREENSHOT>
<RECORD alt="-1">87</RECORD>
<MOVINGPICTURE alt="-1">68</MOVINGPICTURE>
<DEFENCE alt="-1">42</DEFENCE>
<TOGGLECHAT alt="-1">47</TOGGLECHAT>
<MOUSESENSITIVITYDEC alt="-1">26</MOUSESENSITIVITYDEC>
<MOUSESENSITIVITYINC alt="-1">27</MOUSESENSITIVITYINC>
</KEYBOARD>
<MACRO>
<F1></F1>
<F2></F2>
<F3></F3>
<F4></F4>
<F5></F5>
<F6></F6>
<F7></F7>
<F8></F8>
</MACRO>
<ETC>
<NETWORKPORT1>7700</NETWORKPORT1>
<NETWORKPORT2>7800</NETWORKPORT2>
<BOOST>FALSE</BOOST>
<LANGUAGE>USA</LANGUAGE>
<REJECT_NORMALCHAT>FALSE</REJECT_NORMALCHAT>
<REJECT_TEAMCHAT>FALSE</REJECT_TEAMCHAT>
<REJECT_CLANCHAT>FALSE</REJECT_CLANCHAT>
<REJECT_WHISPER>FALSE</REJECT_WHISPER>
<REJECT_INVITE>FALSE</REJECT_INVITE>
<CROSSHAIR>5</CROSSHAIR>
<FRAMELIMIT>0</FRAMELIMIT>
</ETC>
</XML>
That's the default one.