Open the file with Minecraft to automatically import it into your global resources/behavior packs.
Pressing a specific hotkey (often [ and ] or Ж in Russian layouts) opens a visual menu of all collected forms.
Download the .mcpack file from the Google Play Store or RuStore .
Depending on whether you play on a PC (Java) or mobile (Bedrock/PE), here are the primary options:
Игра Морф мод для Майнкрафта — Утилиты 2,9 - RuStore