Use standard installation tools to apply the update.
The base game for Resident Evil 4 on Switch occupies approximately of space, according to user reports on Reddit . The 1.0.2 update is a small fraction of that size but requires sufficient free space on your system memory or microSD card to install. Resident-Evil-4-nsp-Update_1.0.2.rar
This is the Version 1.0.2 update , which provides bug fixes and performance stability for the base game. Key Features & Changes Use standard installation tools to apply the update
Note: Ensure the update region matches your base game (e.g., USA, EUR, or JPN) to avoid compatibility errors. This is the Version 1
For those looking to mod the PC version instead, the Ultimate RE4 Modding Guide on Steam provides instructions for the comprehensive (Version 1.1), which uses the password re4hdproject for its archive files.