Open your project in CapCut on PC
Click Export
Choose the video format, resolution, frame rate, and save location
Click Export again and wait for the video to finish rendering
Open YouTube in your web browser
Sign in to your YouTube account
Click the Create button
Select Upload video
Drag and drop the exported video file into the upload window or click Select files
Add the video title, description, thumbnail, and other details
Choose whether the video is public, unlisted, or private
Set audience options if needed
Click Next through the remaining steps
Review the checks and settings
Click Publish
Wait for the upload and processing to complete