The system will reboot multiple times. Do not force power off.
After installation, check these registry keys: windows 7 service pack 1 offline installer 32 bit
The Windows 7 Service Pack 1 offline installer 32-bit is a standalone installer that allows you to install SP1 on a 32-bit version of Windows 7 without an active internet connection. The system will reboot multiple times
Some third-party security programs mistake deep system updates for malicious activity. Turn them off temporarily. How to Install Windows 7 SP1 Offline (Step-by-Step) windows 7 service pack 1 offline installer 32 bit
After downloading, right-click the file and select Run as administrator .