Yes, you can mine Ethereum with a gaming PC. In fact, a lot of people use their gaming PCs to mine Ethereum.
The main reason why people use their gaming PCs to mine Ethereum is because it is very profitable. For example, if you have a gaming PC that is equipped with a high-end GPU, you can easily make over $100 per day by mining Ethereum.
NOTE: WARNING: Mining Ethereum with a gaming PC can be risky and comes with certain inherent hazards. It is important to consider the hardware requirements and potential dangers of overheating and power consumption associated with mining operations before attempting to use a gaming PC to mine Ethereum. Additionally, it is important to remember that the process of mining Ethereum requires a large investment in hardware and electricity, and may not be cost effective in the long term.
The only downside of mining Ethereum with a gaming PC is that it can be quite expensive. In order to mine Ethereum effectively, you will need to invest in a good quality GPU.
Additionally, you will also need to pay for electricity. Overall, mining Ethereum with a gaming PC is still quite profitable, but it is not as profitable as it used to be.