It depends entirely on what hardware you have. You can't mine it at home with standard graphics cards as you can with Ethereum, ZCash etc. You will need a dedicated ASIC miner if Litecoin is what you are after.

You'll want something like an Antminer from Bitmain:
https://shop.bitmain.com/antminer_l3_litecoin_asic_scrypt_miner.htm

Here's a Coindesk article explaining in more detail:
https://www.coindesk.com/information/how-to-mine-litecoin/