What is Windows? Everything You Need to Know

By Tibor Moes / Updated: June 2023

What is Windows? Everything You Need to Know (2023)

What is Windows?

Over the years, Microsoft Windows has evolved from a simple operating system to an integral part of our daily lives. From its humble beginnings with Windows 1.0 to the recent Windows 11, it has shaped personal computing experiences for millions around the world.

In this blog post, we’ll take you on a journey through the evolution of Windows, exploring its core components, essential applications, and the various ways you can customize and secure your Windows experience.


  • Windows is the computer operating system from Microsoft. It has been around since 1985 and is pre-installed on many PCs.
  • It allows you to interact with your computer, to surf the web, play games, send emails, watch videos, process words, and more.
  • With a market share of more than 60%, it is the most used desktop operating system in the world, ahead of macOS and Linux.

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Understanding Microsoft Windows

Microsoft Windows is a range of graphical operating systems that dominate the personal computing market. Known for its user-friendly interface, Windows OS has transformed the way windows users interact with their devices, especially on a windows computer. With a great graphical user interface (GUI) and multitasking capabilities, Windows has established itself as the go-to operating system for both casual and professional users.

Let’s delve deeper into the GUI and multitasking capabilities that make Windows stand out.

Graphical User Interface (GUI)

The Graphical User Interface (GUI) is a game-changer that sets Windows apart from other operating systems. The GUI allows users to interact with their computers using visual elements like icons, buttons, and menus, making it incredibly user-friendly and intuitive.

Over the years, the GUI has evolved significantly, offering more sophisticated and visually appealing designs with each release. This progression has allowed Windows to stay at the forefront of personal computing experiences.

Multitasking Capabilities

The ability to multitask efficiently is a crucial aspect of Windows that has endeared it to users worldwide. Multitasking refers to an operating system’s ability to run multiple applications or processes simultaneously without compromising performance. The benefits are numerous, from time-saving to boosting productivity, and the ease with which users can switch between tasks.

However, it’s essential to be mindful of the potential strain on system resources, as running too many tasks concurrently may lead to slower performance or system instability.

Evolution of Windows Versions

From the first release of Windows 1.0 in 1985 to the latest Windows 11, the Windows operating system has seen a myriad of versions, each bringing its own set of improvements and features.

Let’s take a walk down memory lane and explore how each version contributed to the evolution of Windows as we know it today.

Windows 1

Released in November 1985, Windows 1.0 was the first version of Microsoft’s operating system. Its most significant contribution was the introduction of a graphical user interface, which allowed users to interact with the computer using a mouse, a stark contrast to the MS-DOS platform.

Priced at $100, this groundbreaking version laid the foundation for future Windows iterations.

Windows 2

Following Windows 1, Windows 2 arrived as an incremental upgrade, offering users an improved GUI and better memory management. The introduction of more advanced keyboard shortcuts and expanded memory utilization demonstrated Microsoft’s commitment to refining and enhancing the Windows experience.

Even though Windows 2 didn’t revolutionize the operating system, it marked a steady progression towards the more feature-rich versions we know today.

Windows 3

Released in 1990, Windows 3.0 brought significant improvements to the table, such as enhanced memory management and support for 32-bit applications. As the first commercially successful version of Windows, 3.0 marked a turning point in Microsoft’s journey towards becoming the household name it is today.

Windows 95

Windows 95 was a milestone release, introducing native 32-bit application support, plug-and-play hardware, and preventive multitasking. It also marked the debut of the iconic Start Menu, which has since become an essential part of the Windows experience.

Windows 95 set the stage for future iterations and solidified Microsoft’s position in the personal computing market.

Windows 98

Windows 98 improved upon its predecessors by adding system-restore applications. It also introduced the ability to record, play and share digital music and movies with Windows Media Player 7. With its improved GUI and additional features, Windows 98 further enhanced the user experience and set the stage for future Windows innovations.

Windows XP

Released in 2001, Windows XP was a widely used and popular operating system until its support ended in 2014. It boasted a sleek graphical user interface, multitasking capabilities, and support for third-party software, including internet explorer, making it a user favorite.

The user-friendly design and features of Windows XP made it a popular choice for many users. It was easy to use and had a wide range of applications available, making it a great choice.

Windows Vista

Windows Vista, released in 2006, brought a redesigned shell and user interface, as well as significant technical changes, particularly in the realm of security. While Vista faced some criticism for performance and compatibility issues, it paved the way for future improvements in Windows operating systems.

These improvements included better security features, improved performance, and better compatibility with hardware and software. The introduction of Windows 7 in 2009 saw further refinements to the user interface, as well as improved performance and security. Windows 8 and 8.

Windows 7

Windows 7, launched in 2009, was a popular operating system that introduced multi-touch support, a redesigned taskbar with revealable jump lists, and HomeGroup for home networking.

Its performance upgrades and user-friendly features made it a favorite among both casual and professional users.

Windows 8

Windows 8, released in 2012, was designed to work on both traditional PCs and touchscreen devices. It introduced the new Metro design language, touch-friendly features, more integration with cloud services and online platforms, and the Windows Store for apps.

Windows 10

Windows 10 was released in 2015 and brought back the Start Menu. It also introduced a virtual desktop system and the ability to run Windows Store apps in windows on the desktop instead of full-screen mode.

As the latest version of Windows until the release of Windows 11, it offered a refined and modern user experience.

Windows 11

In October 2021, Microsoft released Windows 11, the most recent version of their operating system. It introduced new system requirements and offered a free upgrade for Windows 10 users who met those requirements.

With its sleek design and advanced features, Windows 11 continues to shape the personal computing landscape.

Windows Server Editions

Windows Server Editions are specialized versions of the Windows operating system designed for server environments. Ranging from Windows Server 2003 to 2022, these editions, such as Essentials, Standard, and Datacenter, provide robust and secure solutions for businesses and organizations.

Core Components of Windows OS

The core components of the same core operating system, Windows OS, include the kernel, which manages the hardware and software resources, device drivers, which facilitate communication between the hardware and the operating system, services that allow applications to run in the background, and the user interface, all together providing all the fundamental functions.

These components work seamlessly to provide a reliable and user-friendly experience.

Third-Party Software Compatibility

Third-party software compatibility is crucial for a versatile and customizable Windows experience, allowing users to install applications from other developers. This not only provides users with more choices and freedom, but also allows developers to create applications compatible with Windows, further boosting the popularity of their software.

However, it’s essential to be mindful of potential security risks when using third-party software.

Windows Insider Program

The Windows Insider Program offers an opportunity for users to get a sneak peek at upcoming Windows features and updates, as well as provide feedback to Microsoft engineers. By joining the program, you can help shape the future of Windows and stay ahead of the curve when it comes to new developments.

You can join the Windows Insider Program to get early access to new features and updates, and provide feedback to Microsoft engineers. This is a great way to stay ahead of the curve and help shape the future of Windows.

Essential Windows Applications

Essential Windows applications range from image editing software like Cyberlink PhotoDirector to note-taking apps like OneNote and text/code editors like Sublime Text and Visual Studio Code.

These applications can significantly boost productivity and efficiency, allowing users to manage their time, organize data, and collaborate with others more effectively.

Customizing Your Windows Experience

Windows offers a plethora of options when it comes to customizing your experience. By using the Settings app or third-party software, you can change themes, backgrounds, colors, and more to suit your personal preferences and style.

This flexibility allows you to create a truly unique and personalized Windows environment.

Security Features in Windows

Windows provides a wide array of security features to ensure the safety and integrity of your data, including file permissions, encryption, and malware protection.

In addition to these built-in features, Windows Server Security offers extra layers of protection for businesses and organizations, helping to secure virtual machines, apps, and data from malicious attacks.

Alternatives to Windows

While Windows dominates the personal computing market, there are other operating systems available, such as macOS, Linux, and Chrome OS. These alternatives offer different features and benefits, allowing users to choose the best fit for their needs and preferences.

Exploration of these alternatives can broaden your understanding of personal computing and help you appreciate the unique features and capabilities of Windows.


In conclusion, Microsoft Windows has come a long way since its inception in 1985, evolving into a powerful and versatile operating system that caters to a wide range of users. Its user-friendly interface, essential applications, and robust security features make it a popular choice for personal computing. As we continue to explore the ever-changing landscape of technology, Windows remains a cornerstone that shapes our digital experiences. Embrace the power of Windows and unlock the full potential of your personal computing journey.

How to stay safe online:

  • Practice Strong Password Hygiene: Use a unique and complex password for each account. A password manager can help generate and store them. In addition, enable two-factor authentication (2FA) whenever available.
  • Invest in Your Safety: Buying the best antivirus for Windows 11 is key for your online security. A high-quality antivirus like Norton, McAfee, or Bitdefender will safeguard your PC from various online threats, including malware, ransomware, and spyware.
  • Be Wary of Phishing Attempts: Be cautious when receiving suspicious communications that ask for personal information. Legitimate businesses will never ask for sensitive details via email or text. Before clicking on any links, ensure the sender's authenticity.
  • Stay Informed. We cover a wide range of cybersecurity topics on our blog. And there are several credible sources offering threat reports and recommendations, such as NIST, CISA, FBI, ENISA, Symantec, Verizon, Cisco, Crowdstrike, and many more.

Happy surfing!

Frequently Asked Questions

Below are the most frequently asked questions.

What is Windows on a computer?

Windows is the popular computer operating system from Microsoft. It has been around since 1985 and is pre-installed on many PCs. Windows provides an easy-to-use interface for users to operate and manage their computers. It’s a great way to make your PC work for you.

What is Microsoft Windows and how does it work?

Microsoft Windows is a user-friendly operating system that helps you to easily manage your computer and do tasks such as word processing, email, playing games, watching videos, and browsing the internet.

It makes computing easy with an intuitive graphical interface and simple navigation tools.

What is Microsoft Windows used for?

Microsoft Windows is an operating system designed to provide a user-friendly graphical interface to enable people to use computers easily. It also provides multiple features such as multitasking, virtual memory management, and support for several peripheral devices, enabling users to carry out many tasks in an efficient manner.

These features make Windows a powerful and versatile operating system, allowing users to customize their experience and get the most out of their computer. With its intuitive user interface, Windows makes it easy to navigate and use.

Author: Tibor Moes

Author: Tibor Moes

Founder & Chief Editor at SoftwareLab

Tibor has tested 39 antivirus programs and 30 VPN services, and holds a Cybersecurity Graduate Certificate from Stanford University.

He uses Norton to protect his devices, CyberGhost for his privacy, and Dashlane for his passwords.

You can find him on LinkedIn or contact him here.