: If your adapter is from a known brand, always start there. For example, Lenovo Support
Windows 7 64-bit requires signed drivers. If your downloaded driver is old or generic, you may need to temporarily disable this:
Open by clicking Start , right-clicking Computer , and selecting Properties > Device Manager . Expand the Network adapters section.
Point it to the folder you just extracted. Windows 7 will search for the .inf file and install the 64-bit driver. 4. Safety Warning
