The Microsoft .NET Framework 3.0 (which is formerly known as WinFX), is the new managed code programming model for Windows. It combines the power of the .NET Framework 2.0 with new technologies for building applications that have visually compelling user experiences, seamless communication across technology boundaries, and the ability to support a wide range of business processes.
These new technologies are Windows Presentation Foundation, Windows Communication Foundation, Windows Workflow Foundation, and Windows CardSpace (formerly code named "Infocard"). Microsoft plans to ship .NET Framework 3.0 as part of the Windows Vista operating system. In addition, Microsoft is making these technologies available on Windows XP and Windows Server 2003..NET Framework 3.5 can be installed on any of the following systems: Windows XP SP2 - Windows Vista
This download includes the latest version (3.5) and 4.5 (for win 7 and 8) contains many new features building incrementally upon .NET Framework 2.0 and 3.0, and includes .NET Framework 2.0 service pack 1 and .NET Framework 3.0 service pack 1.
For Printer Driver disconnect USB Cable Printer from PC or turn-off printer before Install Driver
Click the Download button.
When a new pop-up window appears, click on the Save File button.
Note: Depending on your connection speed, the file will take some time to transfer to your computer.
When the download completes, double-click the most recent file to start the software installation
If an "Open Executable File?" pop-up window appears, click the OK button.
Follow the on-screen instructions
If you want to upgrade your OS from Win 7 to Win 8,to prevent software compatibility issue, please uninstall the older version driver before install the newer version drive