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Windows vs Mac: Complete Guide to Differences, History, and Market Share
When it comes to personal computers, Windows and Mac (macOS) are the two main players. The choice between them can even create "factions" among users. Additionally, in the smartphone world, iOS (iPhone) and Android are the main protagonists. Why don't platforms consolidate into one, and instead coexist as multiple options?
In this article, we'll explain the differences between Windows and Mac in a way that even beginners can understand, organizing the historical background and current trends.
What is an OS Anyway?
An OS (Operating System) is the basic software that runs computers and smartphones. It acts like a "command center" that runs applications and manages files. The main representatives are Windows (by Microsoft) and macOS (by Apple). In smartphones, Android and iOS share the market.
💡 Analogy: An OS is like a "city's transportation system." Windows and macOS are different cities with slightly different traffic rules (operating methods) and roads (software compatibility).
History – The Era of Jobs and Gates
Birth of Macintosh (1984)
Steve Jobs popularized GUI and mouse technology. It was revolutionary technology at the time.
Windows Emerges (1985)
Bill Gates started late, targeting IBM-compatible machines. It was a strategy aimed at the business market.
Development in the 1990s
- Windows dominated the business market
- Market share reached over 90%
- Mac survived in graphics and design fields
- Continued to be supported by passionate creators
🎯 Fun Fact: The GUI concept itself was first developed at Xerox's research lab. The story of both companies joking that they "stole the same rich neighbor's TV" is famous.
Changes Since the Smartphone Era
Since the iPhone's debut in 2007, the PC market has changed dramatically.
Windows Evolution
- Windows 8 attempted touch operation but was unpopular
- Windows 10/11 made significant improvements
- Tablet mode and touch operation optimization
Mac Evolution
- Since 2020, Apple Silicon (M1/M2) chips achieved both power efficiency and high performance
- Major performance improvements from the transition from Intel chips
While there was a period when "PC abandonment" was discussed due to smartphone popularity, demand has increased again due to remote work and educational needs.
Who Uses Which? – Differences in User Demographics
Businesses and Government
- Overwhelmingly Windows
- Due to compatibility with business systems and Office
- Windows is also advantageous in terms of cost
Creators
- Designers and video editors tend to prefer Mac
- Design software optimization is advancing
- High color reproduction accuracy
Developers
- Mac is essential for iPhone app development
- Linux-like environment is also a popular reason
- Comfortable terminal operations
Students
- MacBook users have been increasing in Japan recently
- In the US, affordable Chromebooks are mainstream in education
- Mac is standard in design departments
Gamers
- Games are almost exclusively for Windows
- Mac is disadvantaged with limited game support
- Gaming platforms like Steam are Windows-centered
Differences in Operation and Design
Windows Characteristics
- High customizability
- Diverse range from affordable to high-spec models
- Products from various manufacturers available
Mac Characteristics
- Hardware and software designed as one unit
- Simple and stable
- Higher price but high quality
Operational Differences
- Windows: Start menu and right-click are basic
- Mac: Dock and menu bar are basic
- Confusing at first, but capabilities are almost the same
Security
- Mac was once said to be "strong against viruses"
- Currently, both require countermeasures
- Standard security features like Windows Defender and macOS Gatekeeper are comprehensive
Market Share: Global and Japan
PC Market
- Global: Windows about 71%, Mac about 16%
- Japan: Similarly Windows dominant
- Business Market: Windows overwhelmingly dominant
Smartphone Market
- Global: Android about 72%, iOS about 28%
- Japan: Conversely, iPhone is overwhelmingly dominant at 65-70%
- Special Cases:
- Android is over 95% in India
- US and Japan are countries with very high iPhone ratios
Conclusion – Diversity Drives Evolution
As we've seen, users are divided into "Windows faction" and "Mac faction," but both have great appeal. It's because of competition that technology advances and users have more choices.
Selection Points
If you're choosing a PC from now on, it's easy to understand by thinking like this:
- Work-focused: Windows (cost, compatibility, customizability)
- Creative-focused: Mac (design, stability, iPhone integration)
- Development-focused: Choose based on purpose (Mac for iOS development, preference for others)
Both become more user-friendly year by year, and ultimately it comes down to "familiarity" and "preference."
Finally
It's because diverse platforms coexist that the IT world is interesting. Just as Jobs and Gates built cooperative relationships while being rivals, let's enjoy "how to use them differently" rather than "which is superior."
Each OS has strengths and weaknesses, and by understanding them and making choices accordingly, you can enjoy a more comfortable digital life.

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