1. First, click on the text document on the computer to open the newly-created text document. Click the right mouse button on the blank document to expand the menu and select Insert Unicode control characters.
2. secondly, select LRO or ASS, press Ctrl+A to select all, and select Ctrl+C to copy.
3. Finally, enter the nickname setting page, directly paste it with Ctrl+V, and click Save to get a blank nickname.