how i can unlock arcane slot ? i dont have in this

To install these, you have to unlock the Arcane slot, an individual Melee weapon with an Arcane Adapter Like its Primary and Secondary

Pax And Residual Arcanes Just like Zaws, Kitguns have a unique Arcane slot that is unlocked by gilding the weapon This slot is different from

warframe slot bundle If you go to your marketplace and you search for war frame slots, you can see here that you can purchase a slot for 20 Platinum right there But if you don't

warframe complete starter slot bundle The process is simple: Choose a weapon -> upgrade -> unlock Arcane slots, exilus mod slot, arcane slots, use catalyst reactor etc