Here is your solution (works also in Windows 10):
http://www.sevenforums.com/tutorials/75817-single-click-mode-point-select-enable-disable.html
First part is with a provided .reg file, second part is how to do it manually (Just 2 values in the registry. Very easy).
Note that this also disables thumbnail previews in the taskbar for open windows (naturally, as this is also controlled via mouse hover). But I never used them anyways and was so annoyed by the autoselect behavior.
Oh, and don't forget to reboot after the change to allow it to take effect.