Get Windows 8 Developer - Free

System Requirements

The Windows 8 Developer Preview works great on the same hardware that powers Windows Vista and Windows 7:

• 1 gigahertz (GHz) or faster 32-bit (x86) or 64-bit (x64) processor
• 1 gigabyte (GB) RAM (32-bit) or 2 GB RAM (64-bit)
• 16 GB available hard disk space (32-bit) or 20 GB (64-bit)
• DirectX 9 graphics device with WDDM 1.0 or higher driver
• Taking advantage of touch input requires a screen that supports multi-touch
• To run Metro style Apps, you need a screen resolution of 1024 X 768 or greater

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Free and Open Source Operating System - Haiku

Haiku is an open source operating system currently in development that specifically targets personal computing. Inspired by the Be Operating System, Haiku aims to become a fast, efficient, simple to use, easy to learn and yet very powerful system for computer users of all levels.

• Specific focus on personal computing
• Custom kernel designed for responsiveness
• Fully threaded design for great efficiency with multi-processor/core CPUs
• Rich OO API for faster development
• Database-like file system (OpenBFS) with support for indexed metadata
• Unified, cohesive interface

 

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Open Source Operating System

Ubuntu is an operating system built by a worldwide team of expert developers. It contains all the applications you need: a web browser, office suite, media apps, instant messaging and much more.


Ubuntu is an open-source alternative to Windows and Office.

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Open source and free Operating system

SliTaz is an open source and free operating system providing a fully featured desktop or server in less than 30 Mb. SliTaz is simple to use, fast and stable.

Downloads

• LiveCD Stable version - Bootable ISO image of the current stable version.
• LiveCD Cooking version - Bootable ISO image of the cooking version.
• Floppy disk - Bootable startup disk to launch the LiveCD, a USB stick, etc.
• LiveCD to taste - Flavors and loram.

Sources Code

HTTP
FTP

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