Product keys often come with a "new" copy of a PC product, in the event one purchases a product second hand or finds a product out of its wrapping then the key may be already used and registered to another place or user or just plain lost. If you do not have the product key handy and know that it has not yet been used then you can always try to call the manufacturer of the product to see if another key can be issued.
To obtain a product key legally, you should contact Ubisoft. Please see the link below to do so.
As long as the game was legally purchased, you can get a replacement key directly from EA support.
Piracy is illegal, to obtain a product key you must purchase the product legally, asking for a product key is highly illegal and can get you arrested. The fact you are asking for a product key is proof you are pirating. Please purchase all products legally from now on.
Steam games store your product key on their game server, not your client software. As long as you legally purchased your game and created an account, you will just log in as usual. You do not need your product key again, even if you unistalled the game at some point.
As long as you purchased your key legally and created account, you should be fine. Your key is applied to your account on the game's servers, and not your client software. You would just log in as usual.
Fifa 08 is made by EA Games. If you open a support ticket with EA, they will hep you get a replacement key.
The Harry Potter video games are developed by EA games. EA's customer support will supply replacements for legally purchased lost product codes.
The PC version of Counter Strike is through Steam. This means that your product key is stored on their game server, not your client software. As long as you legally purchased your game and created an account, you will just log in as usual. You do not need your product key again, even if you unistalled the game at some point.
The PC version of Left 4 Dead is through Steam. This means that your product key is stored on their game server, not your client software. As long as you legally purchased your game and created an account, you will just log in as usual. You do not need your product key again, even if you unistalled the game at some point.
The game manufacture, Ubisoft, will replace lost product CDs for a $5 fee. You need to contact them through their customer support. See the related link below.
There isn't a specific product key but if you want to obtain one then you will have to buy one off of the site that sells them.
The only promotion that Norton is offering right now is a 6 month free trial when you use the trial product key. When you create a new account with them they will email you the information to obtain your product key. Once you have the product key you can continue setup of this software.