http://forums.d2jsp.org/index.php?showtopic=1437247&f=34
Theres the guide. Follow all of it except this section and you should be fine.
"This is ONLY for donors
Go to your core folder, then you see:
http://www.killingscream.com/images/1.JPG
Makecdkeyhash.exe
Open that, and, if you have not purchased a license key, then click on Make cd-key hash, then click Purchase Key. If you have already purchased a d2jsp license key for $25, copy that code, then send it to
[email protected]
Do not send your hash to njaguar if you have not already purchased a license key!
If you already have a key, then click on Make Keyfile, and copy the key hash what you've got from njaguar.
Then you should see this:"