Download Windows 7 Ultimate

can anyone let me know where i can get a clean download of windows 7 ultimate... there are a number of sites that come up in the search results, however, i have yet to find anything from microsoft that will allow me to download a genuine version of windows 7 ultimate. there is too much risk of "**** wear" and viruses from these other sites. any help would be appreciated.

The following copies are from Digital River which is an affiliate website that host these legitimate copies for Microsoft:

• Windows 7 Ultimate (x86)* - 32 bit

• Windows 7 Ultimate (x64)* - 64 bit

32 vs 64 bit

http://windows.microsoft.com/en-US/windows7/32-bit-and-64-bit-Windows-frequently-asked-questions

Is my PC running the 32-bit or 64-bit version of Windows?

http://windows.microsoft.com/en-us/windows7/find-out-32-or-64-bit

http://windows.microsoft.com/en-US/windows7/Installing-and-reinstalling-Windows-7

ImgBurn - In addtion to supporting the creation of CD's from .ISO files,

it supports a wide range of other image file formats, and it's free.

(BIN, CUE, DI, DVD, GI, IMG, MDS, NRG, PDI and ISO)

http://www.imgburn.com/

http://neosmart.net/wiki/display/G/Burning+ISO+Images+with+ImgBurn

Note: Always use the slowest burn speed (4x or 2x) if offered a choice.

Create USB bootable copy:

Once one has the .iso file they may wish to use the Microsoft .iso to USB/DVD tool to create a bootable DVD or USB (requires a blank DVD or USB flash stick of at least 4 GB).

http://windows.microsoft.com/en-US/windows7/Start-your-computer-from-a-Windows-7-installation-disc-or-USB-flash-drive

How to activate:

 How to activate Windows 7 manually (activate by phone)
 
1) Click Start, and in the Search box type:   slui.exe  4
 
2) Next press the 'ENTER' key
 
3) Select your 'Country' from the list.
 
4) Choose the 'Phone Activation' option.
 
5) Stay on the phone (do not select/press any options) and wait for a person to help you with activation.
 
6) Explain your problem clearly to the support person.
 
http://support.microsoft.com/kb/950929/en-us

Activate Windows 7 on this computer:
http://windows.microsoft.com/en-US/windows7/activate-windows-7-on-this-computer