https://cs-legacy.net
http://esbaer.essentrix.net

Half-Life will prompt you to enter a 
serial number the first time you
start half-life.

(If you need help changing an existing 
serial number in your registry please
read the instructions at the bottom.)

"CD Key In Use" error occurs when there 
are too many duplicate serial numbers
in use on the same server.  To minimize
this event, please...


Choose the serial number that corresponds
to the first letter of your last name:  

A	
0127-73357-4264

B
0104-23136-0366

C
2844-42442-1488

D 
4658-51807-3947

E
5848-19506-2287 

F
7333-45401-7778 

G
3709-77706-4036

H 
1058-57340-5155 

I
5842-64760-7837 

J
8536-71270-0624

K 
2482-46084-8614 

L
5113-05532-4985

M
8251-30076-9428

N 
4152-78271-1944

O 
3976-41915-7805 

P
4841-18065-7025

Q
0006-64394-3200 

R
1259-79626-8842 

S
2186-42289-8687

T
4336-04196-6119

U
3681-91323-4731

V
2884-52653-7164

W
4658-51807-3947

X
5848-19506-2287

Y
7333-45401-7778

Z
3709-77706-4036


******************************
You can manually enter a serial 
or change your existing serial by 
clicking
"start" -> "run" -> "regedit",
then accessing:

HKEY_CURRENT_USER
  -Software
    -Valve
      -Half-Life	
	-Settings
	  Key (Right Click "Modify")