If you're looking to download for offline viewing (which might have specific terms and conditions on certain platforms):
The safest and most straightforward way to watch or download content is through official streaming platforms. For Loki, you can check: 2021+download+loki+season+1+dual+audio+hindiengl
If you're considering writing about Loki or analyzing it, and you need text-based information: If you're looking to download for offline viewing