Act as a VFX artist with 10 years of experience specializing in sci-fi effects. Create a detailed script for a YouTube video showcasing AI-generated time portal effects. The video should be [3 minutes] long and target [beginner-level] YouTubers who want to learn how to integrate these effects into their videos. Include step-by-step instructions on how to use [popular VFX software like Adobe After Effects or Blender] to design and animate a time portal. Describe the key components such as [lighting, texture, and motion blur] to make the effect realistic. Add tips for optimizing the effect for [1080p resolution] and ensuring smooth playback on YouTube. Conclude with a call-to-action encouraging viewers to download a free template or subscribe for more tutorials.