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Desktop application development basics

Desktop applications often vary in complexity and functionality. For example, gaming software focuses on a specific set of functions, while other programs such as Microsoft Office give you access to many functions. Some programs are easy to use. Others require specific skills and knowledge to work with.

The operating system also determines how desktop applications work.
Some programs only require the basic permissions allowed by the operating system. Others require users to grant more control through administrative privileges. For example, anti-virus applications or other applications that require operating system-specific file modifications or access to secure folders may not work properly if they do not have elevated administrative privileges.

Some common types of computer software are:

Application software. Users install these programs to help them perform specific tasks.
For example, a photo editing application can be installed to edit images.
Programming Software. These applications allow you to develop, test, and troubleshoot other software applications. These programming software include Visual Studio, IntelliJ IDEA and Eclipse. System software
These programs provide an abstraction layer over the hardware, creating a conducive environment in which functions can be performed. Examples of system software include game engines, operating systems (OS), and virtual assistants.
browsers. These applications allow you to access the Internet and web content. Firefox, Chrome, Apple Safari and Microsoft Edge are examples of browsers.

Desktop development vs. web development

Web development allows you to create websites and other web applications using programming languages. PHP, JavaScript, HTML and CSS are some of the programming languages ​​that can be used for web development.

Desktop apps differ from web apps in the following ways:

Login requirements. Web development is highly dependent on the internet. Users need an internet connection to access the web application.
Desktop apps, on the other hand, can run locally. Users can perform various tasks without connecting to the Internet, including saving and retrieving data.
Development tools and techniques. In the past, computer applications were mainly developed using high-level programming languages ​​such as C, C++, Java, Pascal, Swift, Go, and Ruby. Instead, web applications use languages ​​such as JavaScript, PHP, CSS, and HTML.
Today, most of these languages ​​have evolved to be used for web and desktop application development. For example, Python can be used to build desktop data science applications as well as back-end APIs for front-end web applications.
Install/update. For desktop apps, users need to download the installer or update files to their desktop devices. Web apps do not need to be pre-installed as they are accessed through a browser and users usually have access to the latest software by default.

Desktop apps are more secure than web apps because they are protected by system-specific policies. Users or administrators have better control over desktop applications. For example, you can view the types of resources and directories that a desktop application uses or accesses, respectively. Web applications are difficult to secure and are vulnerable to vulnerabilities such as session hijacking, SQL injection, cross-site scripting, authentication failures, and malicious file execution.