Because it is an extension rather than a standard script, you must use a specific installer to add it to After Effects.

: Use a search-matching feature to move anchor points based on specific layer names. Installation Guide

: The official recommendation is the free ZXP Installer from aescripts.com.

: Save specific anchor point positions for reuse across different projects.

: Once installed, restart After Effects and find the panel under Window > Extensions > Move Anchor Point 4 . Free Alternatives

: Part of the free Animation Composer starter pack from Mister Horse .

If you'd like, I can help you find a from a specific marketplace like aescripts + aeplugins or BatchFrame , or I can provide troubleshooting steps if you're having trouble getting the .zxp file to install. How To Center & Move Anchor Point in After Effects

The tool is a popular extension for Adobe After Effects designed to precisely reposition a layer's anchor point without shifting the layer itself. Tool Overview