What is the Microsoft .NET Framework and what is it for

When it comes to Windows applications, it is inevitable to talk sooner or later about the .NET Framework. Born as a code library for the development of programs on Windows systems, the Framework is now at its 4.7.2 version and has undergone several changes and updates over time.

If the interest in the Microsoft .NET Framework is related to programming, in addition to a Microsoft .NET Framework course as a development environment in its own right, with its rules and secrets, it could be useful to have at least some bases to better understand what are you talking about.

What is the Microsoft .NET Framework

Like all API libraries and code already compiled, the Microsoft Framework is nothing more than a hybrid between a working structure and a so-called “Runtime Environment”, ie an environment where some functions are already compiled and the programmer only has to “call” them through lines of code.

The Framework was initially used to run programs on very different hardware, but given the almost exclusive use adopted on Windows, it soon became an exclusive of this operating system. Many applications work thanks to the .NET framework, which does nothing but make available to programmers blocks of code already written, which we then find in our common use in functions such as “Save as”, or “Open recent” and many other functions, ranging from interaction with windows to graphic effects, up to obviously the deeper scripts, which are used to save certain information in specific ram sectors or other advanced functions.

Given the nature of “code already made”, a program developed on the .NET framework cannot work if the reference frame is not present on the machine where it is run. In this regard, a small digression on the history of the .net must be made.

A thousand versions for a thousand programs

Although the problem has been resolved in the most modern versions of Windows, a rather serious problem afflicted all Windows operating systems up to Vista.

Obviously, the versions of the .NET framework are many and are constantly updated, so from version 1.0 we moved on to 2, 2.5, 3 … until the advent of 3.5, introduced with Windows Vista, many applications had to necessarily include in their installation package the version of the framework used to develop the program, as there were often and willingly critical incompatibilities between one update and another.

3.5 changed things by rewriting parts of version 2 and 3, so that you could avoid having too many versions installed on your PC, one for each branch of programs developed on a specific version.

Nowadays, starting from Windows 8, both the most recent version of the .net framework (currently 4.7.2) and the 3.5 version which includes the 2 and the 3 inside are usually installed. To check which .net you have installed on your system, just open the Windows functions and check in the list if in addition to the .NET Framework 4.X (where X is dependent on the more or less updated version) 3.5 is also available.

 When do you need the .NET Framework and how much do you need to know?

For the common user, the knowledge of all this can be stopped by simply installing it and also forgetting to have it installed. Applications will interact with this tool autonomously and nothing will need to be done when Windows Update keeps the framework updated to the latest version.

For those who think they want to program and develop applications through the framework.net, then there will certainly be some understanding which programming languages can be used together (all the most famous languages are supported such as C #, C ++, VisualBasic, F # and others) and obviously learn the various commands to call the blocks of code and the various APIs.

For this reason, it might be a good idea to follow a special course, able to provide at least basic knowledge on how to build programs on the Runtime of the Colossus of Redmond and perhaps understand how to solve any errors that could occur on users’ machines, offering fallback solutions in case of bugs.


It is not uncommon for hackers to perform particularly harmful functions through the framework and code vulnerabilities and, for this very reason, Windows publishes a monthly “bulletin” with related security countermeasures to prevent these code vulnerabilities from being exploited.

What can the Microsoft .NET Framework be used for?

Introduced the discussion of vulnerabilities, it is obvious therefore to ask what uses the .NET framework is suitable for. The answer is simple: a little bit of everything.

The Microsoft .NET framework has both the capabilities to be used on “off” operating systems

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