I forgot how to find this QQ name. I have encountered this problem before, and it is easy to solve. Next, I'll tell you how to operate:

Tools: Windows 10, QQ.8.9.35

The first step is to log in to qq. (as shown in the figure below)

Step 2: Click the plus sign icon in the qq main interface. (as shown in the figure below)

Step 3, click Add Friend. (as shown in the figure below)

Step 4: Enter the qq nickname as shown in the figure. (as shown in the figure below)

Step 5, click Find. (as shown in the figure below)

Step six, because there will be many duplicate screen names, it is best to know the avatar style, location, gender and age of the friend you want to add, so as to facilitate the search. (as shown in the figure below)

The above is how to solve the problem of forgetting QQ name. All the steps of the question, remember to help you like it if it is useful to you ~