It looks like you're asking about downloading "Actions & Stuff" (a popular realistic animation and texture pack) for Minecraft Bedrock Edition (version 1.21) on PC.
After downloading, you must activate the pack to see the new animations: descargar actions and stuff minecraft bedrock 121 a pc
The "Actions & Stuff" pack is not a simple texture replacement. It is a comprehensive animation overhaul. While vanilla Minecraft features stiff, blocky movements, this pack introduces dynamic player animations: idle stances, smoother walking and running cycles, new attack swings, and even custom animations for tools, weapons, and interactions. For many players, this bridges the gap between Bedrock Edition’s performance and the visual flair often associated with Java Edition mods. The query’s inclusion of "1.21" (the "Tricky Trials" update) indicates the user wants a version compatible with the latest game mechanics, such as the Mace weapon and new trial chambers. It looks like you're asking about downloading "Actions
This pack is a paid item costing approximately 1,690 Minecoins (~$10 USD). Once purchased, click Download. Activate the Resource Pack: ¡Descarga Actions y Add‑Ons para Minecraft Bedrock 1
, you may be able to download it as part of your subscription. : Once purchased, click the button. The game will automatically import the files. Activate Globally Global Resources , find Actions & Stuff and click Confirm it appears under the Activate for Specific Worlds