Most emulators, including Project64, default to the monitor Windows considers "Main." Right-click your desktop and select . Select the monitor you want to use for gaming. Scroll down and check the box "Make this my main display" .
Since Project64 leaves most graphics decisions to the plugin, check your specific plugin's advanced settings. project-64-fullscreen-second-monitor
While Project64 does not currently have a dedicated native feature for selecting a second monitor for fullscreen, you can achieve this through several built-in Windows shortcuts and community-driven workarounds. Option 1: Move the Game Window (Keyboard Shortcuts) Most emulators, including Project64, default to the monitor
: Some graphics plugins may not handle this shift correctly. In that case, try moving the windowed emulator to the second monitor first and then pressing Alt + Enter . Option 2: Set the Second Monitor as "Primary" Since Project64 leaves most graphics decisions to the
: Press Windows Key + Shift + Left Arrow or Right Arrow to instantly jump the fullscreen window to your adjacent monitor.