The character has been modeled in Blender 3.0.

So, you can use the character in Blender 3.0 and up.

In this product file, you will get:

+ A Stylized Boy with full body, eyes, mouth, teeth, tongue, hair, clothes, shoes, cap and bat

With Subsurface = 0: Vertices = 63,055 ; Faces = 59,548