After reaching level 100, open the Character.sav file with a hex editor. The level byte is
13 spaces from the beginning of the file and it shows 64 hex which is 100 decimal. Once
you change it, items in game requires even higher levels. You should first purchase items
over level 100, then change the file to the requirement. Another file that has to be
changed is the file Level100. If you changed the Character.sav level value to 104 (hex
68), rename the Level100 to Level104.