You have two options:
After you upload your video you can go into "My video" from profile, you can press the circle from your file as in the image bellow:
After that you press "Preview" and in the new opened window you have the "Share" button that you need to click on and you will have the embed code on the right side.
The second option after you go into the "Preview" page you have a link in your browser, something like this: https://loadingvid.com/en/H3es0KjPWaqBbxS/watch
You can write on your website if he have automatic embed option like this: https://loadingvid.com/embed/ and the code that you have in the link above (H3es0KjPWaqBbxS), and will look something like this: https://loadingvid.com/embed/H3es0KjPWaqBbxS
And you can copy paste your embed code or embed link anywhere you like.