Well the Quran/koran spells it all out, depending on clerical interpretation and if a theocracy is in place to exercise it, so there’s that.
Surah 3:151: "We shall cast terror into the hearts of those who disbelieve (all non-Muslims) …"
Surah 2:191: "And kill them (non-Muslims) wherever you find them … kill them. Such is the recompense of the disbelievers (non-Muslims)."
Surah 9:5: "Then kill the disbelievers (non-Muslims) wherever you find them, capture them and besiege them, and lie in wait for them in each and every ambush …"