Recommended · for some experience
Atmel Studio 7 - Programming the Arduino Uno via the bootloader without programmer.
Why people recommend it
Recommended as the way to get Atmel Studio 7 uploading to an Arduino Uno through its bootloader, so no separate programmer or debug hardware is needed.
Watch for: Expect to copy the avrdude command from the Arduino IDE
In their words
Then I migrated to AS7 IDE & used this video tutorial:
cyber101 on electronics.stackexchange.com, Nov 2018. CC BY-SA.