Question Im a complete noob thoughts on built

[Klowe0228]

I've never owned a pc ever and I want to get into it and I need help

DT-CU-0053-CUK-001

None

ITX

256GB M.2 NVMe Solid State Drive (Upgrade Options Available)

B360 ITX Motherboard with integrated AC Wifi and Bluetooth

Intel Core i5-9400F Six Core Processor (9MB Cache, 2.9GHz-4.1GHz) 65W

NVIDIA Geforce GTX 1060 3GB

16GB (2x8GB) 3000MHz DDR4 (Please Note: B360 Motherboards can only support a RAM speed of 2666MHz. RAM will downclock)

None (upgrade to RGB Gaming Keyboard / Mouse Combo)

2 x USB 3.0

1 x HDMI

RJ-45 10/100/1000 Gigabit Ethernet

802.11 AC Wireless

12.62" x 6.25" x 16.37" in

14 lbs

650W Gold PSU

Up to 3-Year Limited Manufacturer Hardware Warranty

 

[USAFRet]

This is a prebuilt system?
From where?
What price?

Some glaring faults and omissions in there. As is typical.