The size of Windows 7 SP1 is based on how many updates you already have. It's generally 60-100 MB. Only the absolute full ISO download is a gigabyte, and most p

The size of Windows 7 SP1 is based on how many updates you already have. It's generally 60-100 MB. Only the absolute full ISO download is a gigabyte, and most people simply won't need that. Not to mention that non-SP1 Win7 kept getting security updates for quite a while.