To obtain the boot kit, please carefully follow these instructions:
Go to the AMD online warranty claims page:
https://support.amd.com/en-us/warranty/rma
Fill in your full contact and product details (2nd Gen Ryzen Processor OPN number and serial number)
In the Problem Description field enter "Boot kit Required" (without quotes)
NOTE: The product must be a valid AMD processor with authentic OPN and serial number.
Once the claim is received and approved, confirmation details and boot kit instructions will be provided in a follow up email.