I didn't see any 2018 videos yet. However, you can locate older (such as 2017) axle removal videos, and then locate CV boot replacement videos. The more difficult would be the passenger side.
If the original axle is still good and the joints aren't clicking, you can clean, inspect, and if everything is fine, reboot the original axles using OE Toyota boots. Other members would just buy new aftermarket axles with lifetime warranty and be done with it. But your best bet will be the original axles that are still in good condition in terms of smooth, vibration-free performance.
That's why I personally prefer to reboot original axles with OE boots, inspecting the boots at every oil change, and replace at the first signs of hairline cracks. Reman axles might have been reground, and they'll be a crapshoot.
You can find online dealers, such as:
Find Genuine OEM Toyota Parts and Accessories When You Shop Online. This Toyota Parts Catalog Includes Discounted Quality Parts You Can Trust To Perfectly Fit Your Vehicle!
toyotaparts.mcgeorgetoyota.com