Visit the Realtek Download Center for RTL-series USB WLAN solutions like the RTL8192EU.
Post it here and I'll give you the exact working download link for Windows 7 64-bit. 802.11 N Wlan Usb Driver Windows 7 64 Bit Download
Here is a review and guide on what to expect when downloading this for . Review: 802.11n WLAN Generic Driver Visit the Realtek Download Center for RTL-series USB
Because "802.11n" is a (not a specific brand), there are hundreds of manufacturers who make USB adapters using this technology. Most of them use chipsets from Realtek, Ralink, or MediaTek. or MediaTek. : For unknown brands
: For unknown brands, sites like DriverScape host various versions including 5.01.10.0000 for Windows 7 64-bit. 2. How to Identify Your Device (If Unsure)