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Do not worry. You are not required to register your processor.
https://www.intel.com/content/www/us/en/support/articles/000006268/services.html
Specifically:
How do I register my Intel® product?
We don't require you to register your product. If you need a warranty support RMA, visit the Warranty Center.
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For more complete information about compiler optimizations, see our Optimization Notice.