Open `~/.config/htop/htoprc` and modify the line: left_meters=AllCPUs Memory Swap to be left_meters=CPU Memory Swap That will replace the default C

Open `~/.config/htop/htoprc` and modify the line: left_meters=AllCPUs Memory Swap to be left_meters=CPU Memory Swap That will replace the default CPU monitor with a single meter for the average across all cores. After that, you'll be able to customize things the standard way by pressing F2 within htop.