The version does not officially exist; Microsoft skipped version numbers between 4.0 and 4.5. If you are looking for an offline installer in the 4.x series, you likely need .NET Framework 4.8.1 (the latest release) or .NET Framework 4.5.2 .
An (also called a standalone or full redistributable ) contains all the files needed to install the Framework on a machine without internet access. It is a single, large file (60–120 MB) that you can save to a USB drive, burn to a DVD, or deploy across multiple computers via a network. net framework 4.3 offline installer
Although many search for "4.3," the .NET Framework 4.5.2 is an in-place update that replaces versions 4, 4.5, and 4.5.1. It is highly compatible, stable, and essential for running applications that target 4.0 or higher. The version does not officially exist; Microsoft skipped
The .NET Framework 4.x series skipped from 4.0 to 4.5, and continued through various iterations up to 4.8.1. Users searching for "4.3" are typically either looking for (which had an update version 4.0.3) or the widely-used 4.5 series . Why Use an Offline Installer? It is a single, large file (60–120 MB)
This is a known issue where the .NET Framework offline installer may fail to run if it is located in a file path containing non-ANSI (e.g., Chinese, Japanese, Arabic) characters. The installer might briefly flash a window and then disappear without any error message.