This is the most stable and fastest method using a USB cable. Connect your Switch to your PC via USB-C. Open on your Switch. Select Run MTP Responder . On your PC, open the new "Switch" drive in File Explorer. Navigate to 5: SD Card install or 4: External SD Card . Drag and drop your Dark Souls Update NSP into that folder. Wait for the "Installation Complete" message on the Switch. 2. Using Tinfoil (via SD Card) Copy the NSP file to the root of your microSD card. Open Tinfoil from the Homebrew menu. Go to the File Browser tab. Select sdmc:/ and locate your NSP file. Press A and select Install . Check "Delete after install" to save space on your card. 💡 Key Tips for Dark Souls

The latest significant update focused on stability and fixing long-standing exploits:

Before proceeding, ensure you have a basic understanding of the Nintendo Switch, its firmware, and the concept of NSP files. Additionally, be aware that modifying or updating game files may void your warranty or potentially harm your console if done incorrectly.