Most Ralink drivers install without issue. Skip the signature enforcement step and simply use the Windows 7 or 8.1 driver.
Some users experience "Driver IRQL not less or equal" blue screen errors, frequently linked to the netr28x.sys file found in older Ralink packages. Microsoft Learn Installation and Maintenance ralink 802.11n wireless lan card driver windows 10 64 bit
Once you've downloaded the driver, follow these steps to install it: Most Ralink drivers install without issue