Are you having trouble with a or a certain step in the installation process?
If you see a .iso file, right-click it and select (Windows 10/11) to open it like a virtual disc. Little.Nightmares.II-CODEX.rar
Open the folder located inside the extracted ISO/folder. Are you having trouble with a or a
Find the game's executable ( Little Nightmares II.exe ) in the installation folder. Little.Nightmares.II-CODEX.rar