I Need Some Powershell Education

Computer Type: PC/Desktop
System Manufacturer/Model Number: DELL Inspiron 360
OS: Windows 10 Home x64 Version 1809 (OS Build 17763.437)
CPU: Intel Core i5 6400 @ 2.70GHz / Skylake 14nm Technology
Motherboard: Dell 0C2XKD (U3E1)
Memory: 12.0GB Dual-Channel DDR3 @ 797MHz (11-11-11-28)
Graphics Card: Intel HD Graphics 530 (Dell)
Sound Card: Realtek HD Audio
Monitor(s) Displays: DELL S2316M (1920x1080@60Hz)
Screen Resolution: 1920 X 1080, 60 Hz
Keyboard: Dell HID
Mouse: Dell HID
Case: Dell OEM
Cooling: Dell OEM Internal
Hard Drives: Toshiba DT01ACA100, 1 TB
Internet Speed: 71 ms Ping / 5.96 Mbps Download / 0.46 Mbps Upload
Browser: Microswoft Edge
Antivirus: Windows Defender & Firewall, Malwarebytes Premium, AdwCleaner
Other Info: WD Elements 107C 1 TB External Drive