First download this program and install it.

and then run this program and click that red circle in the picture.

Then customkeys.txt file will be generate in your wc3 folder. You can edit it by notepad

CHF skills are different with ladder skills.
So if you edit Death Coil hot key that wont change it in CHF.

But I know some of them and how to change it.

here is few list. (Only bond may knows full list)

[a00p] shackles <- Frost Nova
default hotkey is N but you can change it whatever you want by editing this part Hotkey=N

[a03z] Ravage <- Newt ensnare

[a00y] Chain Lightning <- Mind rape

[a0ai] Battle cry <- Death Tower

[a02a] Magic Missale <- Captain bond and Medivh's Blink

[a0bp] Insatiable Hunger <- Phoenix

[aeer] Entangling roots

[aucs] Carrion Swarm

[a020] zoz

[a011] Trents

[a0bc] Wind walk (from shop)

[a04a] Frosty stomp

[aosf] spirit wolf

[aohw] healing wave

[aesh] shadow strike

[anfl] fork light

[anrf] rain of fire

[anab] acid boom

[anbl] blink (Summon bear)

[a0dw] invisible (sorceress )

[a001] Silence

[a0dt] detonation (Wisp)

[a011] Trents

[a0bu] Thunder Crap

[a0c7] Devour (Giant Sea turtle)

[a0c5] Density Fog

and there is more list but I will update this later.

Hope it might help someone who wants to change their customkeys

I will keep update this. There too many hotkeys in WC3 so I cant make a full list at once

Rest in Peace Rookies