This archive contains two plugin versions:

scell-1.3.0.jar  -> Polarion versions before 2512  
scell-2.0.0.jar  -> Polarion 2512 and newer


Installation

1. Choose the plugin version matching your Polarion.

2. Copy the selected .jar file into:
   <polarion_home>/polarion/extensions/scell/eclipse/plugins

3. Stop Polarion.

4. Clear the folder:
   <polarion_home>/data/workspace/.config

5. Start Polarion.

6. Open the Global Administration panel and go to:
   SCell Spreadsheet Editor -> Settings

7. Follow the setup steps in the Settings page to complete the configuration.