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/
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