After the process ends with success use the finish button.
Wait 30-60 seconds until drivers installation process end, if in the process you see information with asking about Nokia or another brand install this device software press the install button.
When the installation starts Windows OS will ask about admin rights, use Yes button.
In this step tap the next button, then press the install button to start an installation procedure.
This is a special file that auto-check Windows OS version (if is 32bit or 64bit) and choose correct drivers to install.
In this step install the file MTK_auto_OS_version_select.bat.
Unpack and go to the MTK_Drivers directory with an unpacked file.
At the start of process download a file MTK_Drivers_auto_installer.7z.