tried to run forge installer via cmd prompt and got this

Microsoft Windows [Version 6.2.9200]

© 2012 Microsoft Corporation. All rights reserved

 

C:\Users\drril_000>cd downloads

 

C:\Users\drril_000\Downloads>

C:\Users\drril_000\Downloads>dir

Volume in drive C is OS

Volume Serial Number is B053-FDE1

 

Directory of C:\Users\drril_000\Downloads

 

12/04/2013  01:43 AM    <DIR>          .

12/04/2013  01:43 AM    <DIR>          ..

12/04/2013  01:43 AM        2,260,763 minecraftforge-installer-1.6.4-9.11.1.944

.jar

              1 File(s)      2,260,763 bytes

              2 Dir(s)  366,393,815,040 bytes free

 

C:\Users\drril_000\Downloads>java -jar minecraftforge-installer-1.6.4-911.1.944

'java' is not recognized as an internal or external command,

operable program or batch file.

 

C:\Users\drril_000\Downloads>java -jar minecraftforge-installer-1.6.4-911.1.944.

jar

'java' is not recognized as an internal or external command,

operable program or batch file.

 

C:\Users\drril_000\Downloads>

any help it wont do anything when I click on it but brief flash saying cant find main something (windows 8 OS) ive also attempted to do a batch file I failed with same error that I got in cmd prompt

thank you