After extraction, inspect the contents. If it's a software update or driver, there might be instructions (often in a file named README.txt or similar) that you'll need to follow.
If you find a website offering a direct download of KPG-137D.zip , be aware of these common threats: KPG-137D.zip
Requires Microsoft .NET Framework 4.5 for full functionality. After extraction, inspect the contents
Could you clarify?