If you are trying to activate Adobe Illustrator CS6 on a computer without internet or encountering server connection errors, you can bypass the standard online check using the method. Step 1: Generate a Request Code (Offline Computer)
If you are strictly offline, follow this precise sequence to ensure the Response Code works. adobe illustrator cs6 offline activation response code fix
If you want, I can produce a concise step-by-step checklist tailored to Windows or macOS for technicians to follow. Offline Activation If you are trying to activate