Before you begin
USBASP Installation in Windows 10: For ATMEGA beginner user, installation of USB-ASP in Windows 10 can be tiresome. USBASP Device is inteded to work with 32 bits yet our current PC Windows 10 is mostly 64 bit. So extra steps are needed for a particular USB port. If you have installe. You should see an open port named 'USB Serial Port' Right click on the 'USB Serial Port' and choose the 'Update Driver Software' option. Next, choose the 'Browse my computer for Driver software' option. Finally, select the driver file named 'FTDI USB Drivers', located in the 'Drivers' folder of the Arduino Software download. These drivers are compatible with Windows 2000 and newer. They should work with W2K, XP-32, XP-64, Vista-32 and Vista-64. We do not have any VCP drivers for Windows 98! Unzip the contents of the download into a new folder. With an interface plugged in, find it in Device Manager, right-click it, and select Update Driver.
Driver updates for Windows 10, along with many devices, such as network adapters, monitors, printers, and video cards, are automatically downloaded and installed through Windows Update. You probably already have the most recent drivers, but if you'd like to manually update or reinstall a driver, here's how:
Update the device driver
In the search box on the taskbar, enter device manager, then select Device Manager.
Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update.
Select Search automatically for updated driver software.
Select Update Driver.
If Windows doesn't find a new driver, you can try looking for one on the device manufacturer's website and follow their instructions.
Reinstall the device driver
In the search box on the taskbar, enter device manager, then select Device Manager.
Right-click (or press and hold) the name of the device, and select Uninstall.
Restart your PC.
Windows will attempt to reinstall the driver.
More help
Auto-intern Port Devices Driver Downloads
If you can't see the desktop and instead see a blue, black, or blank screen, see Troubleshoot blue screen errors or Troubleshoot black or blank screen errors.