Windows 7 sometimes lacks the updated "Root Certificates" needed to verify Microsoft's digital signature. If the installation fails with a "certificate" error, you may need to manually update your root certificates.
Better performance for desktop-based applications.
The 32-bit (x86) installer works on both 32-bit and 64-bit Windows, but the 64-bit installer will not work on a 32-bit system.
Even if not prompted, a reboot is highly recommended to finalize the integration with the Windows registry. Common Issues & Troubleshooting
: Windows 7 with Service Pack 1 (SP1) is mandatory. The base version of Windows 7 is not supported. Processor : 1 GHz or faster. RAM : At least 1 GB for 32-bit systems.