If you're purchasing a TV or laptop and want to check if it supports 4K videos, you can download numerous sample 4K videos from here. Simply click to download 4K video clips and footage easily from this post.

Sample 4k HD Videos 1
Details Duration- 0:22 minutes
Codec: H264 – MPEG-4 AVC
Video resolution : 3840×2160
Frames Per Second- 25
Download
sample 4k water video
Details Duration- 0:23 minutes
Codec: H264 – MPEG-4 AVC
Video resolution : 3840×2160
Frames Per Second- 25
Codec: MPEG AAC Audio (mp4a)
Sample rate: 48000 Hz
Bits per sample: 32
Download
sample 4k video
Details Duration- 0:32minutes
Codec: H264 – MPEG-4 AVC
Video resolution : 3840×2160
Frames Per Second- 25
Codec: MPEG AAC Audio (mp4a)
Sample rate: 48000 Hz
Bits per sample: 32
Download
sample 4k ntaure videos
Details Duration- 0:23 minutes
Codec: H264 – MPEG-4 AVC
Video resolution : 3840×2160
Frames Per Second- 30
Download
4k sea videos
Details Duration- 0:11 minutes
Codec: H264 – MPEG-4 AVC
Video resolution : 3840×2160
Frames Per Second- 30
Codec: MPEG AAC Audio (mp4a)
Sample rate: 48000 Hz
Bits per sample: 32
Download

4K Ultra HD is also called UHD. It offers 4 times more than 1080P Full HD offers 8Million pixels compared to 2 million Pixels. In 4K HD TV, you get Fine Detail, great texture and excellent Smoothness.

4K display offers such a great picture and details. Its more resolution images are better. Density of more Pixels of 4K panels enables them to look more closely, without the Grid Structure of the picture. With Sitting Poison from your existing Full HD panel, you can see a very large screen with great comfort.
you can use below given player for playing 4k sample videos
Top 1. Media Player Classic + K-Lite Codec Pack (Free)

Platform: Windows
While it begins to 4k UHD players, Media Player Classic is not-to-be-missed. MPC is a remarkably lightweight, open source media player, which, regrettably, runs on Windows only. It supports all common video and audio file formats accessible for playback, including 4k videos, HEVC H265 videos playback. However, as the MPC itself comes with no 4k playback ability, you will have to install the K-Lite Codec Pack first. Then you can play 4K videos with it.

Top 2. DivX Player (Paid)
Platform: Windows & Mac
DivX Player is promoted as a very high-quality media player and is one of the most popular opportunities for people to enjoy HD movies. Now it supports playback of files up to 4K in the analysis. It supports DivX HEVC video with the HEVC plugin, as well as conventional DivX and DivX Plus. Some of the unique specialties that are well worth communicating with this 4K video player software including the capability to immediately switch among subtitles in multiple conversations. You can also quickly flick through various soundtracks in order to detect highlights like the director’s explication, or the consideration picture in the different language when possible.
Five 4K UHD video players for PC/Mac are displayed as preceding. The five software programs ordinarily can support 4K video playback, as well as videos of different resolutions and in various formats. Whereas, if you want to watch 4K videos on Android, iPhone, iPad, you want to attempt other schemes to play them.