If you already have an ISO, you do not need to download a new one to get the latest updates. After installing Windows 7 SP1, you should install the .
Microsoft released a "Convenience Rollup" (KB3125574) in 2016 that includes almost all updates released after SP1 through April 2016. While not a "Service Pack" by name, it serves a similar purpose. windows 7 service pack 3 iso file download link
Unofficial ISOs frequently bundle trojans, ransomware, or keyloggers directly into the operating system installation files. If you already have an ISO, you do