https://www.microsoft.com/en-us/download/details.aspx?id=56116

Microsoft .NET Framework 4.7.1 (Offline Installer) for Windows 7 SP1, Windows 8.1,
Windows 10 Anniversary Update, Windows 10 Creators Update, Windows Server 2008 R2 SP1,
Windows Server 2012, Windows Server 2012 R2 and Windows Server 2016 

The Microsoft .NET Framework 4.7.1 is a highly compatible, in-place update to the Microsoft
.NET Framework 4, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, and 4.7. The offline package can be
used in situations where the web installer cannot be used due to lack of internet connectivity. 

Version: 4.7.1
File Name: NDP471-KB4033342-x86-x64-AllOS-ENU.exe
Date Published: 10/13/2017
File Size: 65.6 MB

Supported Operating System

Windows 10 , Windows 7 Service Pack 1, Windows 8.1, Windows Server 2008 R2 SP1, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016

    Supported Operating Systems:
        Windows 7 SP1 (x86 and x64)
        Windows 8.1 (x86 and x64)
        Windows 10 Anniversary Update (x86 and x64)
        Windows 10 Creators Update (x86 and x64)
        Windows Server 2008 R2 SP1 (x64)
        Windows Server 2012 (x64)
        Windows Server 2012 R2 (x64)
        Windows Server 2016 (x64)
    Minimum Hardware Requirements:
        1 GHz or faster processor
        512 MB of RAM
        4.5 GB of available hard disk space (x86)
        4.5 GB of available hard disk space (x64)