Since official Microsoft support for Windows 7 ended in 2020, original ISO files are primarily available through community archives. You can find "untouched" versions of the Windows 7 Enterprise with Service Pack 1 (SP1) x86 (32-bit) ISO on the Internet Archive .
Windows 7 Enterprise N SP1 (Spanish) [x86/x64] - Internet Archive Download Enterprise SP1 x86 ISO
Windows 7 Enterprise SP1 (French) [x86/x64] - Internet Archive Since official Microsoft support for Windows 7 ended