Capture a screenshot on Windows using AutoHotKey with shortcut keys similar to macOS.

screenshot_all.ps1

Add-Type -AssemblyName System.Drawing, System.Windows.Forms
$jpegCodec = [Drawing.Imaging.ImageCodecInfo]::GetImageEncoders() | Where-Object { $_.FormatDescription -eq "JPEG" }
Start-Sleep -Milliseconds 200

[Windows.Forms.Sendkeys]::SendWait("{PrtSc}")
Start-Sleep -Milliseconds 200

$bitmap = [Windows.Forms.Clipboard]::GetImage()
$ep = New-Object Drawing.Imaging.EncoderParameters
$ep.Param[0] = New-Object Drawing.Imaging.EncoderParameter ([System.Drawing.Imaging.Encoder]::Quality, [long]100)

$now = Get-Date -format "yyyy-MM-dd_HH-mm-ss"
$path = "$env:USERPROFILE\Desktop\ScreenShot_${now}.jpg"
$bitmap.Save($path, $jpegCodec, $ep)

screenshot_window.ps1

Add-Type -AssemblyName System.Drawing, System.Windows.Forms
$jpegCodec = [Drawing.Imaging.ImageCodecInfo]::GetImageEncoders() | Where-Object { $_.FormatDescription -eq "JPEG" }
Start-Sleep -Milliseconds 200

[Windows.Forms.Sendkeys]::SendWait("%{PrtSc}")
Start-Sleep -Milliseconds 200

$bitmap = [Windows.Forms.Clipboard]::GetImage()
$ep = New-Object Drawing.Imaging.EncoderParameters
$ep.Param[0] = New-Object Drawing.Imaging.EncoderParameter ([System.Drawing.Imaging.Encoder]::Quality, [long]100)

$now = Get-Date -format "yyyy-MM-dd_HH-mm-ss"
$path = "$env:USERPROFILE\Desktop\ScreenShot_${now}.jpg"
$bitmap.Save($path, $jpegCodec, $ep)

script.ahk

; ctrl + shift + 3 -> Capture screenshot of the screen
#if GetKeyState("LWin", "P")
Shift & 3::RunWait PowerShell.exe -ExecutionPolicy Unrestricted -File .\screenshot_all.ps1 ,, hide

; ctrl + shift + 4 -> Capture screenshot of an active window
#if GetKeyState("LWin", "P")
Shift & 4::RunWait PowerShell.exe -ExecutionPolicy Unrestricted -File .\screenshot_window.ps1 ,, hide