1024 x 768 display (Retina display recommended).
While the "minimum" will open the app, professional design work—especially with complex layers and 3D effects—demands more power. The Processor (CPU) adobe illustrator minimum system requirements
Adobe Illustrator is a resource-heavy application, especially when handling complex paths and large files. Running it on underpowered hardware can lead to lagging, crashing, and a whole lot of frustration. 1024 x 768 display (Retina display recommended)