You can find friends on Facebook by using the following steps:
Log in to your Facebook account.
Click on the "Find Friends" button, located in the top right corner of the Facebook homepage.
You can search for friends by entering their name, email address, or username in the search bar.
You can also import your contacts from your email account to see if any of your contacts are already on Facebook.
Facebook will show you a list of results based on your search criteria. If you see someone you know, click the "Add Friend" button next to their name.
You can also use Facebook's People You May Know feature to find friends based on mutual friends, work, or school connections.
You can also join Facebook Groups related to your interests, which will allow you to connect with people who share similar interests.
By following these steps, you can find friends on Facebook and start connecting with them.
once you start adding a few friends , facebook will start suggesting you for more friends whom you might know,read more about it here : https://relate13.com/why-does-facebook-suggest-friends-you-may-know/