If you have a potato computer (4GB RAM or less, spinning HDD), you will struggle. Running Kali Linux and a Windows target VM simultaneously requires at least 8GB of RAM and a modern CPU. Students with cheap laptops often get frustrated by lag.
For every theoretical lecture (e.g., "What is ARP poisoning?"), there is a follow-along lab ("Now let's ARP poison the Windows machine and watch the passwords roll in."). This "do it as you watch" format dramatically increases retention. udemy learn ethical hacking from scratch course
Because the instructor uses both Windows and Mac as host machines, the course covers bridging network adapters and troubleshooting for both ecosystems. This is rare on Udemy. If you have a potato computer (4GB RAM