how to get/request license for Arm compiler 5.05 for windows

Hello there,

In one of the project, I want to use ARM compiler toolchain 5.05 update 1(build 106) in windows,

I have downloaded and installed the compiler successfully it have license.ref file inside the installed folder, 

after setting environment veriables i started compile but shows license related errors,

I find for the license file in the website but it asks for the serial number which i didn't have.

So can you please guide me for this license setup,

that from where we can buy or get the license file for this ARM compiler.

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