IMO the simplest option is llamafile (it is multiplatform using "cosmopolitan" lib so should run on Windows too, but I haven't tried)
wget https://huggingface.co/Mozilla/Llama-3.2-1B-Instruct-llamafile/resolve/main/Llama-3.2-1B-Instruct.Q6_K.llamafile
chmod +x Llama-3.2-1B-Instruct.Q6_K.llamafile
./Llama-3.2-1B-Instruct.Q6_K.llamafile --server