SQL Server Installation Error: Microsoft.net framework 3.5 service pack 1 is required

Hi chetan,

In windows 10 you need to enable the .NET Framework 3.5 in Control Panel.

This option requires an Internet connection.

• Press the Windows key Windowslogo on your keyboard, type Windows Features and press Enter. The Turn Windows features on or off dialog box appears.
• Select the .NET Framework 3.5 (includes .NET 2.0 and 3.0) check box, select OK, and reboot your computer if prompted.

Refering the below link.

https://docs.microsoft.com/en-us/dotnet/framework/install/dotnet-35-windows-10