How to modify textures of Granny?

So, Vividplays has published several videos…

👵NullZerrep Granny Beta 6 + Baldi's Textures Mod👵

Lazy Tutorial:How to edit textures in any game made with Unity

Unused Content, Granny Wiki

Textures, Granny Wiki

Update Granny 1.8 Mod Menu Granny Clones Full Game Car Escape

Steam Community :: Guide :: Installing programs for working with GR2 3D files

How to mod custom textures for android games

Textures, Granny Wiki

Textures, Granny Wiki

Second Life Marketplace - KIDD Roses & Ivy Pergola * Square * Seasonal Texture Changer * Transfer Mod