Gilford True Value (the feed store not the lumber store) is a Stihl sales and repair shop. They probably would sharpen a chain.
You really should get a sharpener and learn how to use it. Here is one:
https://www.stihlusa.com/products/ch...ools/2in1file/
It you happen to nick a rock with your just paid for sharp chain, zip dull again.
Lots of YouTube videos on how to