Hello @Vipul Garg,
In order to upload the video to the media section of your WordPress, please refer to the screenshots provided below:
https://postimg.cc/Cn0TY5Xz
https://postimg.cc/S20H7jyD
If the file size exceeds 32M, please contact your hosting provider to increase the upload size limit for your WordPress. Once the upload is complete, click on the video and copy the URL as shown in this screenshot: https://postimg.cc/JybCFjY9
Then use the URL and it should work.
Best Regards,
8Theme’s Team