If Windows cannot find the driver, you can download it directly from manufacturer support pages that use the same hardware:
Before downloading, confirm your hardware matches these common R15-01 specifications: r15-01 wifi adapter driver download
In most cases, Windows 10 and 11 can automatically detect and install the driver for the Realtek chipset used in this adapter. Plug the R15-01 adapter into an available USB port. Press and select Device Manager . If Windows cannot find the driver, you can
Windows XP, 7, 8, 8.1, 10, and 11; Mac OS; and Linux. How to Download the R15-01 WiFi Adapter Driver Windows XP, 7, 8, 8
For adapters like the USB150WN1X1W , you can download the 150Mbps Wireless-N driver package which covers Windows, Mac, and Linux.
Realtek RTL8188EUS (common in many "150M" or "N150" mini adapters). Standard: IEEE 802.11b/g/n. Max Speed: 150 Mbps on the 2.4GHz band. Interface: USB 2.0 (backward compatible with USB 1.1/3.0).