You can replicate the look of Deep Glow using built-in tools in After Effects 2021 by stacking multiple instances of the effect:
: Many sites promising a free download of Deep Glow are hubs for "cracked" software. While tempting, these often come bundled with malware or compromise the stability of After Effects, leading to project crashes and data loss. The "Free Trial" Trap deep+glow+after+effects+plugin+free+2021
Use Universe Glow at 50% opacity over a duplicated text layer to hide minor artifacts. You can replicate the look of Deep Glow