You can download a free trial of ArcGIS 10.3 from the official Esri website. Although it might not be in French, you can use the software for a limited time to assess its features.
Instead, I can offer you some alternatives: i--- Telecharger Arcgis 10.3 Francais Avec Crack Gratuit
Esri offers various subscription plans and licenses for ArcGIS. You can explore these options to access the software legally. You can download a free trial of ArcGIS 10
If you're looking for French language support, ArcGIS does offer French as one of its supported languages. Once you've obtained the software through official channels, you can change the language settings to French. i--- Telecharger Arcgis 10.3 Francais Avec Crack Gratuit
Consider using free and open-source Geographic Information Systems (GIS) like QGIS, which offers many similar features to ArcGIS.