Bigpapicali :
I just got a old pc from my dad, it is a Dell dimension 8300 and has win XP on it.
Are these the specs for that PC? If so, I would highly recommend talking with your dad about getting you a new computer.
https://www.cnet.com/products/dell-dimension-8300-p4-2-8-ghz-1-gb-120-gb-lcd-18-1/specs/
1. It is highly unlikely to work with Windows 10 (or Windows 7 for that matter) due to lack of drivers.
2. Those old Pentium 4s were power hogs. Intel hadn't yet implemented Speedstep, so the processor runs at full speed (maximum power draw) all the time. Motherboards and components weren't as power-thrifty back then either. A typical computer from that era idles at around 100-150 Watts. For comparison, a modern system idles at around...