The simplest way to find old friends on Facebook is by using the friend search feature.
How to find old friends on Facebook
Method 1: Use the friend search feature
The easiest method to search for old friends on Facebook is by using the friend search feature (Search for Friends). On the Facebook PC app, click on the icon of two people located in the top right corner.
To find friends on Facebook, locate and click on the Find Friends option on the displayed window. This action will open a new window where Facebook lists some users it thinks you may know.
Method 2: Search within your friends list
Another way to find your old Facebook friends is by searching through your friends list, which includes your Facebook friends.
To do this, first visit the profile page of the user, then click or tap on the friends option. Next, scroll through their friends list, or you can enter a search into the friend search box (Search for Friends) to filter results more quickly.