Place your files in the tinfoil/install folder and use the internal file browser to install.
If you have a physical copy, you can insert the game card into your Switch and follow the on-screen prompts to install the game. tactics ogre reborn switch nsp xci update install
Download the Tactics Ogre Reborn NSP/XCI file from a reputable source. Make sure to verify the file's integrity using a tool like 7-Zip or a similar archive manager. Place your files in the tinfoil/install folder and