If you have no money, you might just install virtualbox and put a Linux node on it to download bitcoin core (details for installing this free software are in Antonopoulos' book "Mastering Bitcoin"). But this will not be fast enough to actually mine bitcoin (well it will dig but unlikely to win any blocks at the current difficulty level)--you could ...
start with a training video, usually on websites along with programs, there are instructions and training videos
One of the most popular and effective mining programs is – Awesome Miner, GUI Miner,
Video Cards AMD – OverdriveNTool
Nvidia rtx3060 – 470.05 Beta driver, 472.12
Bios - RED BIOS EDITOR, NiBiTor, Phoenix Bios Editor 22.214.171.124