how to get MDK-ARM Professional license?

Hi, I am getting Error #602: 'Keil.MDK-Pro Net_v6::Network:CORE:Release:6.7.7': component requires valid MDK-ARM Professional license error while selecting HTTP server example with FRDM k64F board....
how to get MDK-ARM Professional license?

Hi, I am getting Error #602: 'Keil.MDK-Pro Net_v6::Network:CORE:Release:6.7.7': component requires valid MDK-ARM Professional license error while selecting HTTP server example with FRDM k64F board....
Licensing and Support web pages will not accept some valid email addresses

<Since the customer support web page also has this problem, the forum was the only way to inform Keil of this issue> We were unable to license our PK51 toolset because the licensing web page rejected...
Licensing and Support web pages will not accept some valid email addresses

<Since the customer support web page also has this problem, the forum was the only way to inform Keil of this issue> We were unable to license our PK51 toolset because the licensing web page rejected...
Being professional at debugging

Hi, I have a lots of problems to find out my mistakes during debugging.And Hardfault errors annoy me a lot when I use cmsis library. I have read different online sources that the best way is to check...