LemP Volunteer Moderator MS MVP (Windows Desktop Experience) 2006-2009 Microsoft Community Contributor (MCC) 2011-2012
You shouldīe able to edit the ISO file to permit you to install Windows 7 Pro (or any other edition) using the following directions: Site 2 only has Windows 7 Ultimate (I only looked for English versions other languages may be different).
As far as I know, it is safe and reliable, but not everyone is comfortable downloading torrents. At the moment, the only two sites that I know of that have legitimate Windows 7 downloads are:
Because this is an OEM installation, you can't use the Microsoft Windows 7 software download site.