http://gothub.r4focoma7gu2zdwwcjjad47ysxt634lg73sxmdbkdozanwqslho5ohyd.onion/theseus-os/Theseus
To release your keyboard and mouse focus from the QEMU window, press Ctrl + Alt + G, or Ctrl + Alt on some systems, or just Cmd + Tab out to another app on macOS.
To exit QEMU, in the terminal window that you originally ran make run , press Ctrl + A then X, or you can also click the GUI ⓧ button on the title bar if running QEMU in graphical mode.