Hello CastingCar, welcome to the forums.
High CPU usage can be based on a players system, what components they have installed and what software they have been using or previously had installed as well.
If you use any VoIP applications like Discord or Team Speak, these are known to contribute to CPU usage, as well as any overclocking software and game overlays.
This list is not extensive but please scroll down to the bottom of the list to check if you may be running any of this software in the background that may cause conflicts -
https://support.ubisoft.com/en-GB/Faqs/000025721
Please disable any additional programs other than the game, by performing a clean boot, here - ... Read more
High CPU usage can be based on a players system, what components they have installed and what software they have been using or previously had installed as well.
If you use any VoIP applications like Discord or Team Speak, these are known to contribute to CPU usage, as well as any overclocking software and game overlays.
This list is not extensive but please scroll down to the bottom of the list to check if you may be running any of this software in the background that may cause conflicts -
https://support.ubisoft.com/en-GB/Faqs/000025721
Please disable any additional programs other than the game, by performing a clean boot, here - ... Read more