itch.io

Hi,

I have just purchased this.  I am a complete newbie.  I have 2 questions:

1) It seems like I need a software in order to use this asset, correct?  If so, which software I need to use?  I am guessing Aseprite.

2) does this asset require your other asset to run?
https://robocelot.itch.io/gumdrop-character-template-v-2

Thank you.