Here are some polished versions of your title depending on tone, platform, and SEO focus:

Clean + Professional (Blog/Guide Style)

Becoming a Famous TikTok Editor in Just One Week

How to Become a TikTok Editing Pro in One Week

Step-by-Step Guide: TikTok Editing Success in 7 Days

Catchy + Engaging (YouTube/Video Style)

How I Became a Famous TikTok Editor in Just 7 Days! 🚀

From Beginner to Famous TikTok Editor in One Week

One Week to TikTok Editing Fame – Here's How!

SEO-Friendly (Search-driven)

TikTok Editor Success: Become Famous in One Week

How to Quickly Gain Recognition as a TikTok Editor

TikTok Editing Mastery in 7 Days: Beginner to Pro

I can also create a full step-by-step guide or video script showing:

Essential editing tools and apps.

Editing techniques that go viral on TikTok.

Daily workflow to improve speed and style.

Promotion strategies to get noticed by creators and brands.