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Microsoft is offering six versions of Windows 7: Starter, Home Premium, Professional, Ultimate, OEM and Enterprise. The three versions that Redmond will be promoting most heavily are Home Premium, Professional and Windows 7 Upgrade Advisor, although Starter will also be available to consumers.
Windows 7 will support both 32- and 64-bit systems. The bare minimum requirements for the 32-bit include a 1GHz processor, 1GB RAM, 16GB available hard disk space, and a DirectX 9 graphics device with WDDM 1.0 or higher driver. While 64-bit systems will require at least a 1GHz processor, 2GB RAM, 20GB of free space on your hard drive, and a DirectX 9 graphics device with WDDM 1.0 or higher driver. A touchscreen monitor is required to take advantage of the native touch features. Do note that some users have claimed to have limited success running the Windows 7 beta with less than 1GB of RAM, but that’s not recommended.
Features: Taskbar and Aero Peek
Although the look of Windows 7 may seem to be nothing more than some polish applied liberally to the Vista Aero theme, make no mistake: this is a full replacement operating system and more than just “Vista done right”. From driver support to multi-touch groundwork for the future, from better battery management to the most easy-to-use interface Microsoft has ever had, Windows 7 is hardly half-baked.

Windows Media Player and Device Stage
One of the biggest new features makes Windows Media Player useful again: you can now stream media files from one Windows 7 computer to another, across the internet and out of network. Even better, the set-up procedure is dead simple.

When you open Windows Media Player, there’s a new Stream option on the toolbar. Click it, and you’re presented with two choices. Both require you to associate your computer with your free Windows Live ID. When you’ve associated a second Windows 7′s WMP with that same ID, you can remotely access the media on the host computer. Windows Media Player’s mini mode looks much slicker, emphasising the album art — sometimes at the expense of clearly seeing the controls, but it’s a definite improvement.

Search, touchscreens and XP mode
Windows 7′s native search feature has been improved. Files added to the hard drive were indexed so fast that they were searchable less than five seconds later. Search result snippets now include a longer snippet, and highlight the snippet more clearly. This should appeal specifically to people who juggle large numbers of long documents, but it’s a useful feature for anybody who wants to find files faster. However, the search field is available by default only in the Start menu and in Windows Explorer, and cannot be easily added to the taskbar.

Download Microsoft Windows 7 Ultimate (x64) DVD (English) 3.0Gb

Download Windows 7 All Version ( starter – home 32bit/64bit – professional 32bit/64bit – ultimate 32bit/64bit )

Part 1

Part 2

Part 3

Part 4

Part 5