Under the "Windows edition" section, look for the "Service Pack 1" label. If it is missing, install Windows 7 SP1 first before attempting to update your .NET architecture. Post-Installation Checklist
: Click the Start button and select Control Panel . microsoft net framework 3.5 1 windows 7 64 bit download
Software developers build applications using specific versions of the .NET Framework. If an application was built using .NET 2.0, 3.0, or 3.5, it explicitly requires the .NET Framework 3.5 runtime environment to function. Under the "Windows edition" section, look for the