For the time being, SolQL is only available as an npm package.
npx firstname.lastname@example.org <TARGET_DIR>
TARGET_DIR is the directory you would like to use solql in.
This command will clone the solql-workspace repo into your selected directory, and install the dependencies, including hardhat and solql.
After installation, you may enter your projects directory from your terminal by using
TARGET_DIR is the same directory name you used for installation.