You can download legitimate copies of Windows 7 from the following link:
Windows 7 (English) with Service Pack 1
• Windows 7 Home Premium (x86) - X17-58996
• Windows 7 Home Premium (x64) - X17-58997
• Windows 7 Professional (x86) - X17-59183
• Windows 7 Professional (x64) - X17-59186
• Windows 7 Ultimate (x86)* - X17-59463
• Windows 7 Ultimate (x64)* - X17-59465

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.

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