Cheat Mode: (Cheats do not work with Heart of Winter expansion)
Cheat mode will only work with the v1.05 patch enabled. This procedure involves editing a game file; (*Proceed completely at your own risk) create a backup copy of the file before proceeding. Use a text editor (Word, Word Pad, Notepad etc.) to edit the "icewind.ini" file in the game directory. Add the line "Cheats=1" under the "(Game Options)" section. Start the game and press (Ctrl) + (Tab) to display the console window. Type the following case-sensitive command to enable cheat mode: CHEATERSDOPROSPER:EnableCheatKeys();

Once you are in the game enter these:

Code         Effect  
Ctrl + J     Move selected characters to pointer position.  
Ctrl + R     Heal or resurrect the selected character or portrait  
Ctrl + Y     Kill selected monster or NPC with no EXP  
Ctrl + 4     Display trigger polygons; shows traps  
Ctrl + 9     Display character bounding boxes      

More Cheating:
These also be entered at the console window.
          
Code                              Effect 
CHEATERSDOPROSPER:ExploreArea();  Full map  
CHEATERDOPROSPER:SetCurrentXP();  Give selected characters indicated EXP       
CHEATERDOPROSPER:AddGold();       Add indicated gold to party total  
CHEATERDOPROSPER:Midas();         Add 500 gold to party total  
CHEATERSDOPROSPER:FirstAid();     5 healing potions , 5 antidotes, and 1 Scroll Of Stone To Flesh       
CHEATERSDOPROSPER:Hans();         Teleport party to pointer

Name    Item  
AMUL01  Necklace of Missiles   
AROW07  Arrow of Dispelling   
AX1H01  Battle Axe  
BELT02  Golden Girdle   
BLUN05  Mace +1  
BOLT02  Bolt +1  
BOOK03  Tome +1 Constitution   
BOOT01  Boots of Speed   
BOW01   Composite Long Bow   
BRAC06  Gauntlets of Ogre Power   
BULL02  Bullet +2  
CHAN06  Mithril Chain Mail +4   
CLCK02  Cloak of Protection +2   
DAGG03  Dagger +2  
DART02  Dart +1  
HALB02  Halberd +1  
HAMM03  War Hammer +2   
HELM03  Helm of Glory   
MISC35  Horn Coral Gem   
PLAT05  Full Plate Mail +1   
POTN03  Potion of Hill Giant Strength   
RING01  Ring  
SCRL04  Protection from Cold   
SCRL1Q  Scroll of Vampiric Touch   
SHLD06  Large Shield +1   
SW1H01  Bastard Sword   
SW2H01  Two Handed Sword   
WAND02  Wand of Fear   
XBOW03  Heavy Crossbow of Accuracy