Summary
Then he found the forums. A thread from 2016 titled "K53s Bluetooth on Windows 10 SOLVED". Buried on page three: "Use the Generic Bluetooth Driver from Intel or Atheros – depends on your module." asus k53s bluetooth driver windows 10
A cheap dongle (Amazon/Best Buy, $5–$10) completely bypasses the internal ASUS Bluetooth hardware. These dongles use standard CSR or Realtek chipsets that Windows 10 recognizes immediately—no driver hunting required. Quick review: "asus k53s bluetooth driver windows 10"
Setup.exe or Inst.exe. Do not run it yet.