The definite guide to activate Windows 7 with or without a product key and how to do it correctly. Tip: Use the free activator that can be download from http://windows7activator.org

1. How to Activate Windows 7 without a Product Key?
If you are regular computer user, you should know that every edition of Windows required
activation including Win 7. The product activation is a way Microsoft validate that every PC is
using a valid license (product key) of the software.
In order to get the 25-character serial number, you required to purchase a valid license of
the software from online stores or offline retailers. This is the code use to activate Windows.
This article will let you know how to activate Windows 7 without using a product key, so stay
tune!
Where to Find the Windows Product Key?
If you purchase a valid license copy of the software, depending on how you get the copy of
your product you should be able to find the product key.
 From an authorized PC retailer. The Windows is come with a box and the product
key is on a label or card inside the box.
 A new computer running Windows. The product key is preinstalled on your PC,
included with the packaging the PC came in, or included on the Certificate of
Authenticity (COA) attached to the PC.
 A digital copy from a Microsoft website. You will get a confirmation email and the
product key is in that email. For Win 10, it may be distributed as a digital license and
it doesn't include a product key. More about activation in Windows 10 or here.
 Free upgrade to Windows 10. If you using Win7/8.1 and upgraded to Windows 10
for free, you should have a digital license instead of a product key. Win 10 introduce
a new activation method called digital entitlement.
If you unable to find the product key or serial number, most probably is you are not
purchasing the license and hence you need to use other method for activation.
If you don’t want to buy a serial key, you may sign up for the insider account. This will allow you
to use Windows as an insider. That’s available for new pre-launch operating system.
Introducing Windows 7 Activator
This is a third-party tools to activate Windows for free. There are quite a lots of it and most of
them can be downloaded from the Internet. However, here I introduce three of the most
famous activators:
1.) Windows loader by Daz
This is very popular and most reliable Win 7 loader that able to activate almost all
editions of Win7. The final version is v2.2.2 and I have used the tool for many times and
it can activate the Windows without any problems. More info here.
2.) RemoveWAT
As an alternative to the loader above, you also can use this RemoveWAT to activate
Windows 7. This program come with simple user interface and easy to use.

2. 3.) Windows 7 Loader Extreme Edition
Although I seldom use this tool, but I see many users are happy with this loader. The
program comes with great features and you also can download it for free.
Conclusion
Well, to activate Windows 7 without product key is not a nightmare with the existing of
Windows activator. The best thing is that all the available activators can be downloaded for
free.
If you use the loader to activate Windows 7, it will not modify any critical system files on your
PC while you can enjoys the full features of the operating system just like those purchase
the original license key.
More information on Windows 7 activation can be found here:
https://technet.microsoft.com/en-us/library/dd979803.aspx
All the best in your Windows activation!