If you still have the phone you used in 2022, the file is likely already on your device:
If you find the message, you can tap the video to redownload it (provided it hasn't been deleted from WhatsApp's servers or your cloud backup). 3. Check Cloud Backups Download VID 20221009 WA0002 mp4
If you have chat backups turned on, restoring a backup from that period might recover the file. If you still have the phone you used
Type "VID 20221009" to see if the message containing the video appears. Download VID 20221009 WA0002 mp4