windows 7 and 8 download links

windows 7
http://msft.digitalrivercontent.net/win/X17-58996.iso home premium x86 with sp1
http://msft.digitalrivercontent.net/win/X17-58996.iso home premium x64 with sp1
http://msft.digitalrivercontent.net/win/X17-59183.iso  professional x86 with sp1
http://msft.digitalrivercontent.net/win/X17-59186.iso professional x64 with sp1
http://msft.digitalrivercontent.net/win/X17-59463.iso ultimate x86 with sp1
http://msft.digitalrivercontent.net/win/X17-59465.iso ultimate x64 with sp1

windows 8

http://windows.microsoft.com/en-us/windows-8/create-reset-refresh-media