As Firefox no longer supports Windows 7, that means Thunderbird doesn't either, but alternatives still exist. For instance, the Czech eM Client is highly functional and you can get a free license.

According to Microsoft's Windows 8 downgrade rights page, attempting to activate Windows 7 online will bring up a local Activation Support phone number. Call the number, explain the circumstances ...

Windows 7 introduced the "Superbar," a taskbar somewhat like the Dock in the Mac. The Superbar is used to show open applications as well as launch new ones, and icons can be rearranged ...