If you absolutely must download a Wii ISO, use a VPN + adblocker + antivirus, and stick to well-known archives (not random .xyz domains). But the honest best path: rip your own games or buy used discs cheaply.
Would you like a guide on how to rip your Wii discs safely using homebrew?
Since I cannot browse live websites, I can give you a based on common knowledge about such sites, their risks, and what you should expect.
Wii ISOs have several uses:
A more efficient alternative. The "Wii Backup File System" format strips away that useless junk data, significantly reducing file sizes for storage on USB drives or SD cards.
