Firstly, you need to confirm the 3D hologram fan version you have, because there are several different versions, is it wifi&SD card version or just wifi version, or wifi & cloud version etc.
3D Hologram LED Display, also known as 3D Fan LED Display, has an electric fan performance and 3D video and image content source. The factory complies with the ISO9001-2015 management system; products are certified by CE, RoHS, CCC, FCC, TUV-EMC, BIS, etc. YUCHIP LED video display has a 3-5 years warranty. A11Pro Download:182thousand Size:4.8M. Suitable for Caraok 3D hologram diplay, Model A11Pro, Remote Cloud Management,55cm, 4 blades,512pcs LED.
LL-HA-50-WF-DS-X &LL-HA-50H-WFC-DS-X LL-HA-65-WF-DS-X & LL-HA-65X-WFC-DS-X & LL-HA-100-WFC-DS-X please download the app from https://www.dseelab.com/resource/software
Remark : Not fit for LL-HA-43-SDWF-FT-X & LL-HA-65X-SWF-ZB-X & LL-HA-100-SWF-ZB-X.
3d Holographic Fan Software
Giwox 3d Hologram Fan Software
42cm is the SD card version. It is downloading the required material directly to the SD card and then use the controller to control the playback.