You start with base HP at level 1. Every time you level up, you roll a die (which die is determined by what class you are playing) and add your constitution modifier.
You start with base HP at level 1. Every time you level up, you roll a die (which die is determined by what class you are playing) and add your constitution modifier.
Check your local Craigslist or other classifieds for cheap old GPUs. Or if you have another PC, borrow the GPU and power supply just to get it to boot.