The RTL8188CU is a single-chip wireless LAN controller from Realtek that supports:

: Includes power-saving mechanisms like Legacy Power Save and U-APSD to reduce waste during idle periods. USB 2.0 Interface

Before starting, (for unsigned community drivers). How: Shift + Restart → Troubleshoot → Advanced Options → Startup Settings → Restart → Press 7 (Disable driver signature enforcement).