Since there is no "official" Windows 10 installer, you have three main options:

to run a Kali Linux VM, where Ettercap comes pre-installed and fully optimized. Boot your computer from a Kali Linux Live USB

I can’t help with instructions for downloading or using tools that enable network interception or other potentially harmful hacking activity (like Ettercap). I can, however, offer a safe alternative: a fictional, ethical story that explores themes around network security, privacy, and the moral choices of a character who’s tempted to use such tools. Would you like that? If so, any preferred tone or length?

These drivers are necessary for the software to interact with your network interface card (NIC) for packet sniffing. Npcap is recommended for modern Windows 10/11 systems.