Adobe typically only offers the current version and one previous major version (currently 2025 and 2024) for direct download through the Creative Cloud app.
Latest Illustrator Update June 2023 (v. 27.6) - Adobe Community
Multicore Intel or AMD processor with 64-bit support and SSE 4.2 or later.
Minimum 1 GB of VRAM (4 GB recommended) with supported GPU devices. Display: 1024 x 768 resolution (1920 x 1080 recommended). Official Download and Availability
New search and filter capabilities within the Layers panel for better project management.
On June 6th I updated Illustrator to the latest version 27.6.
2 GB of available hard-disk space for installation; an SSD is strongly recommended.
Added support for exporting files as WebP and retaining hyperlinks in exported PDFs. System Requirements (x64)