This solution is very simple, but it can only be set when the computer is turned on. After restarting the computer desktop wallpaper, the computer will be restored to its original state. There is a way to turn off the mandatory driver signature requirement in Windows 7 system once and for all.
The command to turn off forced driver signing is: bcdedit.exe-set load options disable _ integrity _ checks.
Open the CMD command line as an administrator, then enter the above command, and restart the computer after completion, so that you can use the driver without digital signature on the 64-bit Win7 system at any time. Of course, this operation also reduces the safety factor of the system, so it is not recommended to shut down all the time, nor is it recommended for inexperienced users to use it. Cultivating good safety awareness is the first step of safety.