Please note that only the last 4 digits of the driver version are the ones to take into consideration, in terms of which is older or newer.
Here you can read a deeper explanation of this matter: http://www.intel.com/content/www/us/en/support/graphics-drivers/000005654.html
Basically, the first numbers indicate Windows version installed, some others the DirectX version in the system and then the build number (the important number)
Latest 4501: https://downloadcenter.intel.com/download/26229/Intel-Graphics-Driver-for-Windows-10-15-40-4th-Gen-?product=81497
Beta 4539: https://downloadcenter.intel.com/download/26347/Intel-Beta-Graphics-Driver-for-Windows-10-and-Windows-7-8-1-15-40-?product=88345
Please let me know if this clarifies your inquiry