Consider your needs and requirements before deciding.
Consider your needs and requirements before deciding.
It’s not recommended to swap your I9-9900K with an I7-8700K. The two processors are quite different in performance and compatibility, so it wouldn’t be a good idea to proceed.
Free? Just check for any cost differences (over $200) and skip it.
No, it's not required. If everything looks fine, it's a great opportunity!