If you are building applications, download the Developer Pack instead of the standard runtime.
Older Windows 7 systems may need the KB2813430 update to recognize the security certificates used by the installer. How to Install Offline download free net framework 46 2 offline installer windows 7
: Visit the Official .NET Download Page and choose the Runtime (for running apps) or Developer Pack (for building apps). If you are building applications, download the Developer
(both x86 and x64), as well as Windows 8.1, Windows 10, and various Windows Server editions. If you are building applications
: Download once to install on multiple PCs without re-downloading.