Since Microsoft didn't release a second service pack, they published the Windows 7 SP1 Convenience Rollup (KB3125574) Microsoft Support What it is:
Hackers can easily slip keyloggers into the installation media to steal your bank passwords and personal credentials.
Released in May 2016, this package contained all security and non-security updates released after Service Pack 1 up until April 2016. It allowed users to update a fresh installation of Windows 7 without having to download and reboot through Windows Update hundreds of times. This is the closest official package to what a "Service Pack 2" or "Service Pack 3" would have been. The Danger of Downloading Unofficial ISOs windows 7 service pack 3 download 64-bit offline iso
Use tools like Rufus to burn the ISO to a USB drive.
To get a Windows 7 environment that feels like it has "Service Pack 3" pre-installed, you have two main options: 1. The Official Microsoft Update Catalog (Manual) Since Microsoft didn't release a second service pack,
Unofficial ISOs often come with Windows Defender or critical firewall protocols permanently disabled.
for this operating system. The only official service pack ever released for Windows 7 was Service Pack 1 Microsoft Support This is the closest official package to what
Microsoft officially ended free support for Windows 7 on January 14, 2020. The Danger of Unofficial "SP3" ISO Downloads
You must have the "Servicing Stack Update" (KB3020369) installed first, or the rollup will fail. 2. Unofficial Slipstreamed ISOs (Third-Party)