According to Quran 4:86, it is better to provide a more complete reply, such as "Wa alaikum as-salam wa rahmatullahi wa barakatuh" ( And upon you be peace, the mercy of Allah, and His blessings ). Responding to Video & Audio Recordings
"Wa alaikum as-salam" ( And upon you be peace ). Download “Salaam” Response(720p) mp4
Whether you are required to respond to a "Salaam" you hear in a digital file (like an mp4) is a common topic of debate among scholars: According to Quran 4:86, it is better to
Many high-quality (720p/1080p) instructional videos are available on major platforms to help with pronunciation and etiquette: According to Quran 4:86
How to respond to the Islamic greeting “Asalaamu alaykum”