Bookmark the official Patrix Patreon page. Unauthorized mirrors often host corrupted versions of the 1.16.5.zip file. Always verify the file size—a legitimate 256x pack for 1.16.5 should be roughly 400MB to 600MB.

Patrix-Resource-Pack-256x-1.16.5.zip Type: Minecraft Resource Pack (Texture Pack) Target Game Version: Minecraft Java Edition 1.16.5 (Nether Update) Resolution: 256x (High Definition)

This filename suggests:

It sounds like you're referencing a specific file for : Patrix-Resource-Pack-256x-1.16.5.zip

– scholarly articles on Minecraft modding, user-generated content, or game asset compression.

To get the most out of your 256x zip file, follow these steps: Patrix Resource Pack Tutorial: Getting Started Guide