Windows 12 had not been officially announced or released by Microsoft. However, due to the regular release cycle of Microsoft's operating systems, there has been much speculation and anticipation among tech enthusiasts about what the potential features and improvements in Windows 12 could be.

It's important to note that any discussion about Windows 12 at this point is purely speculative, and the information provided here is based on rumors, leaks, and general industry expectations. Until Microsoft officially announces a new version of Windows, all information should be taken with caution.

1. Design Overhaul: With each major Windows release, Microsoft tends to introduce design updates to refresh the look and feel of the operating system. Windows 12 could potentially bring a new user interface, updated icons, and improved visual elements to enhance the user experience.
2. Improved Performance: Users are always looking for faster and more efficient operating systems. Windows 12 might come with performance optimizations and reduced system requirements, allowing it to run smoothly on a broader range of hardware.
3. Enhanced Gaming Features: Gaming is a significant aspect of the Windows ecosystem, and Microsoft could focus on improving gaming performance, introducing DirectX enhancements, and offering better integration with Xbox services.
4. Cloud Integration: Microsoft has been heavily investing in cloud services with Microsoft 365 and Azure. Windows 12 might offer deeper cloud integration, making it easier to access files and settings across devices seamlessly.
5. Virtual Reality (VR) and Augmented Reality (AR) Support: As VR and AR technologies continue to evolve, Windows 12 might introduce native support for these technologies, making it more accessible for users interested in virtual and augmented reality experiences.
6. Improved Virtual Desktops and Multitasking: With an increasing number of users working from home and needing efficient multitasking, Windows 12 could enhance virtual desktops and introduce more productivity features.
7. Enhanced Security: Security and privacy are critical concerns for operating systems. Windows 12 might introduce new security features, stronger encryption, and improved protections against malware and cyber threats.
8. Seamless Integration with Mobile Devices: As Microsoft continues to focus on cross-device experiences, Windows 12 might offer improved integration with mobile devices and better synchronization of settings and data between PCs and smartphones.
9. AI-Powered Features: Artificial intelligence is becoming more prevalent in modern software. Windows 12 might leverage AI to offer smart features like improved voice commands, context-aware suggestions, and adaptive user interfaces.
10. Streamlined Updates: Windows updates have been a topic of discussion and frustration among users. Windows 12 might address these concerns by introducing more streamlined and less disruptive update mechanisms.

It's essential to remember that Microsoft has not officially confirmed any details about Windows 12, and the actual features and improvements, if any, might differ from what has been speculated. Until Microsoft announces an official release, users should focus on the current version of Windows, which as of my last update, is Windows 10, and continue to follow Microsoft's official channels for any updates or announcements about future releases.