Adobe Illustrator CC 17.1 was a significant point release following the move from the "Creative Suite" (CS) perpetual license model to the "Creative Cloud" (CC) subscription model. The "multilanguage upd" (update) designation typically describes a unified installer package containing all available regional languages for global distribution. Key Features and Innovations
This version deepened the connection with Typekit (now Adobe Fonts), allowing designers to browse and sync fonts directly from within the Illustrator interface. How to Access and Install adobe illustrator cc 171 final multilanguage upd
The text you've shared looks like a specific title for a software installer or update package for Adobe Illustrator CC (v17.1) Adobe Illustrator CC 17