How can i change 0 to free

[Lapotor]

Hello,

I'm using Magento 2.2.2 CE
I want to change the default `0,00` to `Free`.
I do not find the way how I can do that.
I hope some of you could help me out there

Thank for your help.

[dmoisej]

I want to change the default `0,00` to `Free`.

What do you want to change? Please provide more details.