Modern SonicWall firmware can export an OpenVPN configuration file. Install OpenVPN 2.3 for Windows 7 32-bit (last known compatible) and use the .ovpn profile.
While SonicWall NetExtender can work on Windows 7 32-bit, SonicWall strongly advises upgrading your endpoint OS. For production environments, contact SonicWall support to obtain the final 10.2.x 32-bit installer directly, as older versions are being phased out from public download portals. sonicwall netextender download windows 7 32 bit
Some legacy antivirus programs (e.g., McAfee 8.x, Symantec Endpoint Protection) falsely flag NetExtender’s virtual adapter driver. Disable real-time scanning just for the installation. sonicwall netextender download windows 7 32 bit