Hello Hady13!
- Open Windows Explorer.
- Navigate to C:\Program Files [(x86)]\Messenger Plus! Live\Scripts\YourScriptName.
- Pack all files and folders that you see into a ZIP file. Make sure to include a ScriptInfo.xml.
- Rename the ZIP file to .plsc.
More information about packaging scripts is available in the
Official Scripting Documentation, downloadable for free.