Using wget:
for i in {1..15}; do wget --show-progress -c --limit-rate=3M "https://huggingface.co/unsloth/DeepSeek-R1-GGUF/resolve/main/DeepSeek-R1-Q8_0/DeepSeek-R1.Q8_0-0000${i}-of-00015.gguf?download=true" -o "DeepSeek-R1.Q8_0-0000${i}-of-00015.gguf"; do