Go to a trusted laptop manufacturer’s support site (Lenovo, HP, or Acer). The best working version for 32-bit Windows 7 comes from the Acer Aspire One series drivers. Search for: Realtek Wireless LAN Driver Version 1030.38.0701.2016
There is a special kind of frustration that comes with reinstalling Windows 7 on an older netbook or budget desktop, only to realize the Wi-Fi icon is a sad, greyed-out square with a red "X." Go to a trusted laptop manufacturer’s support site
If you are reading this, you are likely staring at an in Device Manager labeled "Realtek RTL8188FTV Wireless LAN 802.11n." You’ve tried the generic drivers. You’ve let Windows Update run overnight. Nothing works. Go to a trusted laptop manufacturer’s support site
realtek-rtl8188ftv-driver-win7-32bit