Before running the main installer, you must address the root certificate issue. Here is a detailed walkthrough:
The main offline installer package is named NDP462-KB3151800-x86-x64-AllOS-ENU.exe and will work on both 32-bit (x86) and 64-bit (x64) versions of Windows 7 SP1. Download Net Framework 4.6 2 Offline Installer Windows 7
Save bandwidth by downloading the file once and copying it to multiple machines via a USB drive. Before running the main installer, you must address
The installer requires modern SHA-2 code signing support, which was introduced to Windows 7 via updates later in its lifecycle. The installer requires modern SHA-2 code signing support,
** CLICK HERE TO DOWNLOAD .NET FRAMEWORK 4.6.2 OFFLINE INSTALLER**
The Microsoft .NET Framework 4.6.2 is a highly compatible, in-place update to the .NET Framework 4, 4.5, 4.5.1, 4.5.2, 4.6, and 4.6.1. For users running Windows 7 Service Pack 1 (SP1), installing this framework is often necessary to run modern desktop applications, security software, and development tools.
You are likely running a baseline version of Windows 7 without Service Pack 1.