Install unsigned drivers (test driver mode)

This example shows how to enable TESTSIGNING driver mode in Windows 10.
Run cmd as administrator:

Enter:

Bcdedit.exe -set TESTSIGNING ON

Reboot your PC.
After reboot you should see Test Mode in bottom right corner of desctop:

If you want to disable this after installation of drivers, run:

Bcdedit.exe -set TESTSIGNING OFF