Here's a video tutorial on LinkedIn Learning on how to export a video on Premiere Pro:

https://www.linkedin.com/learning/telling-your-story-on-the-web-in-60-seconds/exporting-the-final-video-from-adobe-premiere-pro

You can also find many other courses on Premiere Pro on LinkedIn Learning such as this full basic course:

https://www.linkedin.com/learning/premiere-pro-cc-2019-essential-training-the-basics-2/welcome-3