Find Optional-Bonus-OSTs.rar in your download folder.
Because .rar is a compressed format, you will need a utility like 7-Zip or WinRAR to access the contents. Optional-Bonus-OSTs.rar
Soundtracks in lossless formats (like FLAC) or high-res artbooks can easily reach several gigabytes. Find Optional-Bonus-OSTs
Right-click the file and select "Extract to Optional-Bonus-OSTs/" . This keeps the contents organized in their own folder. Optional-Bonus-OSTs.rar
Digital PDFs or high-resolution images featuring concept art and character designs. Wallpapers: Images sized for desktop or mobile backgrounds.
These files are purely for your enjoyment outside the game. If you delete them, the game's audio and gameplay will remain unaffected.