The track gained popularity in late 2021 and early 2022 through "Alan Walker Style" fan channels. These channels promote songs that feature:
Many uploads use fan-made animations or clips from Alan Walker's "World of Walker" universe. Where to Safely Stream and Download
Because "Lara" is not an official Alan Walker release, you will not find it on his verified Spotify or Apple Music profiles. To listen or find an MP3, consider these legitimate sources: Alan Walker Style - Lara || Animation Music Video