Which operating system ???
If you are trying to
recover a key of an already installed program on your computer there are
freeware keyfinders on the internet
http://download.cnet.com/%7Bvalue=http://www.download.com/magical-jelly-bean-keyfinder/3000-18487_4-10079600.html The Magical Jelly
Bean Keyfinder is a freeware utility that retrieves your Product Key (cd key)
used to install windows from your registry.
has the options to copy the key to clipboard, save it to a text file, or print
it for safekeeping.
Serial keys Location
Lift up your computer and look for a tag.
The tag will probably be located on the side of
the computer, or on the bottom of the unit for a laptop.
The service tag is generally a large black and
white tag and it will say "Service Tag Number."
Do not confuse this tag
with the Windows tag, which may be located in the same area on the computer.
Restore My Product Key
Product key glitches can occur as a result of operating
system file changes and random errors, leaving you with constant
re-registration reminders even where you have already entered a valid key for a
The quickest fix is to restore your computer using the
System Restore feature, which will take your computer's settings back in time
to a point before the product key problem first occurred.
Open "Start," click "All Programs," open
"Accessories," and click the "System Tools" folder.
Click on "System Restore" and select the option
to "Restore my computer."
Click on a restore point from before the product key error
Press "Next" to begin the automated restore.
Get a New Product Key
Having the product key of a software application is
essential when installing and activating the software on your computer.
Product keys may also be called CD keys, serial numbers or
If, for some reason, you lose the product key, or it stops
functioning, you must get a new product key from the creator of the software.
Most software companies work with their customers in
resolving product-key issues.
For example, Microsoft advises its customers to contact
Microsoft Support Services in the event that a product key becomes lost or
Go to the website for the software company.
Look for a heading such as "Contact Us,"
"Customer Service" or "Support."
Get the contact information for the company, such as an email
address or telephone number. Some companies require that you contact them
through a web-based form on the website.
Contact the company by phone or email explaining that you
have lost your product key or that it is no longer working.
Include as much information as you can to help them verify
that you are an authentic customer. Include copies of receipts you received
(email or physical copies).
If you have original packaging from the product, include any
relevant bar-code or version numbers.
Refer to the name and email address that you used to
register the product.