Cheat Codes:

Press '<-' followed by Backspace to stop the game, then type:
WANGO - Gives keys
MOMMY - Gives magic
SCOOTER - Gives weapons

ftp://ftp.netcom.com/pub/av/avatarx/cheats/whaven.cod
ftp://ftp.inf.tu-dresden.de/pub/ms-dos/games/cheats/witchav.zip

Cheat Edit:

Start a game and then save it in slot 1
Use you hex editor and open svgno.dat
Edit below for cheats

0051=01 - Gives a sword
006D=255 - arrows
0071=FF - sword life

0081=FF
0085=FF
0089=FF
008D=FF
0091=FF - These altogether gives 255 of each spell

0129=63
012D=63
0131=63
0135=63
0139=63 - These altogether give 99 of each potion

013D=09 - Experience Level
0141=FFFF - Experience Points
0145=FFFF - Lots of lives
014D=FFFF - Lots of strength