Do you have the from the adapter's packaging or a sticker on the device itself? Downloads - Jinco Marketing
Depending on your specific model, you can find the correct driver listed on their official site: Model JWD 111 : Download JWD 111 Driver Model N-600 Go to product viewer dialog for this item. : Download N-600 Driver. Model JWD-W102 : Download Wireless Network Driver. Model JW337 : Download WiFi Driver. Installation Steps for Windows 7 jinco wireless usb adapter driver download windows 7 link
Here is a quick guide to finding the right driver and a direct download link to get you online. Do you have the from the adapter's packaging