Upgrade to Windows 10 for free and help others to do the same. Feel free to spread the word in your community. #upgradeyourworld. More information available here: http://www.microsoft.com/en-us/windows/upgradeyourworld/
You are more than welcome to Join and participate in the Windows Insider Program – http://insider.windows.com for feedback around Windows 10 (from now and when it’s released).