Download version 3.0 of the ZyXEL NWD2205 WLAN driver here. The driver is compatible with Windows XP, Vista, XP 64 bit, Vista 64 bit, Windows 7 as well as Windows 7 64 bit and Vista. You can download the zip file and then click on the executable file inside. This will install the ZyXEL NWD2205 WLAN driver on your computer. See below for more details.
This is the ZyXEL Wireless N USB driver for download below. This is a Windows 7/8 driver. There are two drivers below. There is the Windows 32bit and the 64bit driver both for Windows 7/8. These are .inf files and it would be difficult to run them in compatibility mode for Windows 10. This is driver version 220.127.116.11 which was the last driver released. This is the USB driver you will need.