Follow these steps to import into Eagle:
Open Eagle and go to the Control Panel
Expand Libraries and you’ll see the lbr folder
Locate the part you’ve downloaded from SnapEDA and drag it to the lbr folder in Eagle’s control panel
You’ll now see the new part displayed under the lbr folder, right click and select use
The part is now ready to be used in a schematic or board
Tip: To better organize your parts in Eagle, you can right-click on the lbr folder and create a new ‘SnapEDA’ folder to store the parts you’ve downloaded from SnapEDA