To obtain the models from Hugging Face (HF), sign into your account at
https://huggingface.co/meta-llama
Select the model you want. You will be taken to a page where you can fill in your information and review the appropriate license agreement. After accepting the agreement, your information is reviewed; the review process could take up to a few days. When you are approved, you will receive an email informing you that you have access to the HF repository for the model.
For more details on downloading and using the models from Hugging Face, refer to the Use with transformers section in the HF model card for the model you intend to use, for example
https://huggingface.co/meta-llama/Meta-Llama-3.1-8B#Use-with-transformers