How To Download Diablo II if you don't have the CD

Wish

So first off , I'll show you how to download Diablo II from Blizzard --> to download the D2 for your computer.
If you have a valid CD-Key but you don't find your CD , this is the guide you were looking for.
Enjoy!

Downloading Diablo II

Remember you must have a valid CD-Key if you want to download the desired Blizzard product for free.

Lets start, first we must enter the online Blizzard Store: http://www.blizzard.com/store/

Then before you will be able to download Diablo II you must register at the Blizzard Store.

After you finish the short registration process at the Blizzard Store you must verify your account trough the E-mail you've given.
Then, you'll need to log on your account and enter this link: https://us.battle.net/account/management/add-game.xml (you will have to sign in to see this page)

After you enter the link above you will come to a screen that looks like this:

At the above screen ^ you enter your CD key and then hit ADD GAME

After you do that you will be taken to a screen that looks like this

You select your language and then hit ADD GAME which is under the drop box

Now you will be able to locate your CD-Key within the account you created at the Blizzard Store. You can also download the game that is tied to the CD-Key free of charge at any time.

Click on [Manage Game] to see the 26-digit game key

To upgrade from Diablo II to Diablo II: Lord of Destruction, simply enter your expansion CD-Key instead of your classic CD-Key