: pip install torch
แต่ยังไม่ได้
That error just means PyTorch isn’t installed in your Python environment yet.
Your numpy works because it’s already installed, but torch is missing.
You can fix it by installing PyTorch:
In a terminal / command prompt:
::: That message means Conda isn’t installed on your computer — or at least it’s not in your system PATH.
Since you’re using plain Python, the easiest fix is to use pip instead of conda.
::: แต่ยัง run pytorch ใน jypyter ไม่ได้