Windows 7 Ultimate Retail (Final) 32bit - Original MSDN  | 2.2 GB

Windows 7 is the latest version of Microsoft Windows, a series of operating systems produced by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs and media center PCs.
Windows 7 was released to manufacturing (RTM) on July 22, 2009, with general retail availability set for October 22, 2009, less than three years after the release of its predecessor, Windows Vista.

INFORMATION:
*Windows 7 Ultimate Retail(Final) - x86 (32 bit).
*Original MSDN DVD | 100% Working Activators Provided (Verified) - Fully Updatable
*Bootable DVD

MINIMUM REQUIREMENTS:
* 1 GHz Processor
* Support For DirectX 9 Graphics Device With 128 MB Of Graphics memory
* 1 GB RAM
* 16 GB Free Hard Disk Space
* DVD Drive

INSTRUCTIONS:
1. Download the RAR files.
2. Extract the RAR files by right clicking the first part (or any other).
3. Burn the ISO to a DVD using any image burner software, a free option would be "Image burn".
4. Boot using the DVD and follow the instructions to install the OS.
5. After the OS is installed, run either Hazar 7Loader 1.6.1d or Daz Loader 1.7.0 and your Windows 7 will be activated and genuine.

INSTRUCTIONS FOR MULTILANGUAGE SUPPORT:
1. Install Windows 7.
2. Open Windows Update from Start Menu > All Programs.
3. Check the available updates. There will be 32 updates of different languages.
4. Check the box before your language and install update.
5. Congrats! You have installed your language! Enjoy!!

INSTRUCTIONS RELATED TO ACTIVATOR:
-You need to use an activator to activate this Windows (Your windows will expire in 30 days if you don't use it) .You can pick any activator from the three available options

-It is recommended to use Hazar 7Loader 1.6.1d or Daz's Windows 7 Loader 1.7.0, as they are newer and better versions .You are free to use any of the loaders listed here, just go through their features and pick the one which is most relevant with your case.

-If Hazar loader doesn't work, there is an option to uninstall it, you can then use Daz Loader, it is a bit more featured and perhaps better.

-If you have any more doubts, just post in the comments.