how to search find HD high definition videos in youtube

1. go to youtube.com
2. search key words you want in the search box, click search button -- the magnifier icon
3. click the filter drop-down box located between the search box and the first search result
4. you can filter results by:
Upload date
Last hour
Today
This week
This month
This year


Type
Video
Channel
Playlist
Movie
Show


Duration
Short (< 4 minutes)
Long (> 20 minutes)


Features
4K
HD
Subtitles/CC
Creative Commons
3D
Live
Purchased
360°


Sort by
Relevance
Upload date
View count
Rating