Do I need to file the 1099-NEC form I received even though I have not been in business over 20 year? If I do, where do I file it?

Yes, if you received a Form 1099-NEC you will have to file it even if you have not been in business for over 20 years.  You have to file even if it was not something for a profit.

Follow these steps to enter your 1099-NEC:

1. Sign in to your TurboTax account if it is not open
2. Enter 1099-NEC into the search box
3. Click on Jump to 1099-NEC in the results box
4. Answer yes to the question Did you get a 1099-NEC
5. On the page Do You Want to Enter Your 1099-NECs Now click Add a 1099-NEC
6. Answer the questions on the page Let's get the info from your 1099-NEC
7. Enter the reason for the 1099-NEC
8. Follow the prompts to add your 1099-NEC information.

This TurboTax link What is a 1099-NEC? has information you may find useful