There are actually four subsets of tools you can install with Kali, depending on your needs, disk resources and download speeds. These packages have names like kali-linux-full and kali-linux-all (those sound the same, don’t they?).
Fortunately the good people at Offensive Security have a guide to the various metapackages. For instance:
kali-linux is the barebones, 1.5GB installation
kali-linux-full is what you get with the download ISO installer, about 9GB
kali-linux-all is a lot more, totaling about 15GB. If you want the whole shebang, this is the one you want.
And there are a whole lot more, which you can study at:
https://www.kali.org/news/kali-linux-metapackages/
Installation is easy, with simply
apt install kali-linux-all
If you’d like a little walk-through check out
https://www.interfacett.com/blogs/installing-every-possible-penetration-testing-tool-in-kali-linux/