In order to install bsv, you can use npm:
npm install bsv
Along with bsv, we have also released bsv-mnemonic, a tool for producing and managing BIP 39 mnemonics which are commonly used across Bitcoin SV wallets. You find bsv-mnemonic on npm as well:
npm install bsv-mnemonic
Both bsv and bsv-mnemonic will retain an equivalent interface to bitcore-lib-cash and bitcore-mnemonic-cash wherever possible. Because the API for Bitcoin SV itself is intended to remain stable, it us unlikely we will ever need to change the API for these libraries. The only plans we have to update these libraries at present are to fix the linting, fix the filenames, fix the documentation, and add in the missing opcodes for the script interpreter.
Thank you unwriter for the suggesting the name.