1. Download and install WAIK

2.Mount the Image
Create folders “Images” and “mount” on c:\
BOOT.WIM=>
dism /mount-wim /WimFile:c:\Images\boot.wim /index:2 /MountDir:c:\mount

INSTALL.WIM=>
dism /mount-wim /WimFile:c:\Images\Install.wim /index:1 /MountDir:c:\mount

3. Administrate drivers
-3.1 Get drivers
-dism /image:c:\mount /get-drivers

-3.2 Add drivers
-3.2.1 with *.inf
-dism /image:c:\mount /add-driver /driver:c:\HP7700\heki.inf
-3.2.2 add drivers in a specified folder
-Type in /recurse to install all drivers in one folder
Example:
dism /image:c:\mount /add-driver /driver:c:\drv /recurse

-3.3 Delete driver

-3.3.1 info driver
– dism /image:c:\mount /get-driverinfo /driver:oem1.inf

-3.3.2 delete driver
-Dism /Image:c:\mount /remove-driver /Driver:oem1.inf


4. Image unmount
Dism /unmount-wim /MountDir:c:\mount /commit


5. Adding the Image to the WDS
Delete the old Image and add the new.
If you only replace the old image sometimes the changes will not be applied.