While Microsoft often suggests the Web Installer for efficiency, the (standalone package) offers several advantages:
The is a essential package for users and developers who need to install the runtime environment on machines without an active internet connection. As a highly compatible, in-place update to .NET Framework 4, version 4.5 is required for running many modern Windows applications, particularly on older operating systems like Windows 7 and Server 2008. Key Benefits of the Offline Installer
On machines with slow internet, running a pre-downloaded 66MB+ file is significantly faster than waiting for the web bootstrapper to fetch components. System Requirements
Note: Windows 8 and Server 2012 already include .NET 4.5 by default. 1 GHz or faster. RAM: 512 MB minimum.
Before installation, ensure your hardware and software meet these minimum specifications: