Atmel Studio (Win)

setup

File > New > Project

New Project: C/C++ > GCC Executable Project > OK

Device Selection: Device Family > ATtiny > 44

Attiny44A > OK

Project > GccApplication2 Properties…

GccApplications: Tool > Select debugger/proggrammer > Atmel-ICE J41800075942

Interface > ISP

Tool > Device Programming

Device Programming: Tool > Atmel-ICE, Device > ATtiny, Interface > ISP, Apply

Fuses