For technical implementation, Adobe provides specific resources for different development environments:
If you have purchased or received a legitimate copy of XMP Panels 4.0 STI (usually as a .zxp file or a folder with .jsx files), follow these steps: xmp panels 4.0 sti download
The .xmp metadata templates stored in your user AppData folder may be corrupted or inaccessible. How to Resolve and "Download" Components For technical implementation