How to install CO2System.jl package

The package is located here:

According to the installation instructions, I should install the CO2System package as below:
pkg> add

My question is how do I change to the pkg mode? I tried the below and it did not work:

using Pkg

Many thanks.

You press the ] key. Alternatively you can use

using Pkg
Pkg.add(url = "")
1 Like

Iā€™m able to install it now. Thank you so much!