Can I mine bitcoin with a computer?

Could you elaborate on the feasibility of mining Bitcoin with a standard computer? I've heard about the rising difficulty in mining due to increased competition and the use of specialized mining hardware. Given the current situation, would a regular desktop or laptop computer be capable of effectively mining bitcoin? Are there any specific requirements or modifications that would need to be made to the hardware to enhance its mining capabilities? Also, what are the potential risks and considerations one should take into account before attempting to mine bitcoin using a computer?