- Official download link: http://cdimage.deepin.com/releases/15.4/deepin-15.4-amd64.iso
- Mirror 1 (Sourceforge, NCU): https://ncu.dl.sourceforge.net/project/deepin/15.4/Release/deepin-15.4-amd64.iso
- Mirror 2 (Sourceforge, NCHC): https://nchc.dl.sourceforge.net/project/deepin/15.4/Release/deepin-15.4-amd64.iso
- Mirror 2 (Mega, no-direct-link): https://mega.nz/#F!8wtEXCDB!_W8Hd_lTI4o6i29Fljeglw
- Mirror 3 (Google, no-direct-link): https://drive.google.com/drive/folders/0B6tQiyXN9eI9a01mX3ZZT2tXVlk
- Size: 2.6GB
- Checksum: MD5SUM
Note: at this time (April 20th) I cannot find any active ISO mirror (that provides direct link) available for 15.4. If you want to help deepin distribution, you can provide a deepin ISO mirror by following this guide.