How do I update the kernel of FreeBSD-CURRENT

From: Manoel Games <jdjjddrisn_at_outlook.com>
Date: Wed, 29 Nov 2023 19:21:36 UTC
I am a new FreeBSD user, and I am using FreeBSD-CURRENT. How do I update the FreeBSD-CURRENT kernel, and is it done through pkg? I installed FreeBSD-CURRENT without src.