Сохраненная страница Windows 7 ISO Verifier, for your downloading pleasure - istartedsomething (185 Kb)

Just between you and me, I’ve heard that one could obtain copies of Windows 7, including builds newer than the public betas, from some not-so-sanctioned sources. Of course I would know very little about how this works, but I understand that there is a process of verifying the integrity of files to ensure files are as described and have not been tampered with, however not everyone does this.