http://www.ibtimes.com/microsoft-offers-free-windows-10-beta-download-where-get-technical-preview-1697776

Windows 10 Technical Preview. You have to sign up with the Windows hotmail account.

Link below where you can download it from

http://windows.microsoft.com/en-us/windows/preview

You don't need to sign up with this link:
http://windows.microsoft.com/en-us/windows/preview-iso
 
But you need to be on a Windows machine (or changing the user agent) to be able to view the links.
 
 
Direct links for EN-US:
WindowsTechnicalPreview-x64-EN-US.iso
WindowsTechnicalPreview-x86-EN-US.iso
 
 
Others links with SHA1 hashs:
 

English 64-bit (x64)
Download (3.81 GB)  
EB75A3D3C0F621F175B75DC65DB036D0E00EAC43


English 32-bit (x86)
Download (2.93 GB)
73AC23AD89489855F33CA224F196327740057E2E


English (United Kingdom) 64-bit (x64)
Download (3.79 GB)  
17C6CD7224D13DB61B93A4A9D38202E3A0019378


English (United Kingdom) 32-bit (x86)
Download (2.94 GB)
BFF496678A09255738BFBFA14903295D55478C33


Chinese (Simplified) 64-bit (x64)
Download (3.96 GB)   
135E3193571C5AF9FBF36D24D07B2BE7EE49B2E8  


Chinese (Simplified) 32-bit (x86)
Download (3.05 GB)   
3EE3A2033BE666BA55AFED3FCF6BB52A7C15C7CC  


Portuguese (Brazil) 64-bit (x64)
Download (3.76 GB)    
3DA91BB9EA7316F670C0A132D940FC1D58BAB296  


Portuguese (Brazil) 32-bit (x86)
Download (2.91 GB)   
611FE8F94906EFE75F64D197913344AC040DF644

Product Key: NKJFK-GPHP7-G8C3J-P6JXR-HQRJR

Right on, good post and I really hope 10 to be better than 8 . Though 7 does everything I need