How to Add Any Program to Installed Apps List and Search Bar

C:\ProgramData\Microsoft\Windows\Start Menu
C:\Users\(YOURUSERNAME)\AppData\Roaming\Microsoft\Windows\Start Menu\Programs
Not working? Try the following:
Run terminal as administrator.
Replace the top line "C:\SHORTCUTFOLDER" with the preferred directory.
Terminal Command (Feel free to edit as necessary. Please do not reupload this command unless it's been edited, and you credit this video.):
$shortcutFolder = "C:\SHORTCUTFOLDER"
foreach ($shortcut in Get-ChildItem -Path $shortcutFolder -Filter "*.lnk") {
$shortcutName = $shortcut.BaseName
$shell = New-Object -ComObject WScript.Shell
$shortcutObject = $shell.CreateShortcut($shortcut.FullName)
$shortcutPath = $shortcutObject.TargetPath
$shortcutIcon = $shortcutObject.IconLocation
$publisher = "Uninstall removes registry. Program is untouched."
if ($shortcutIcon -ne ",0") {
$icon = $shortcutIcon
} else {
$icon = $shortcutPath
}
$keyPath = "HKLM:\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\$shortcutName"
if (-not (Test-Path $keyPath)) {
New-Item -Path $keyPath -Force
Set-ItemProperty -Path $keyPath -Name "DisplayName" -Value $shortcutName
Set-ItemProperty -Path $keyPath -Name "Publisher" -Value $publisher
$uninstallCommand = "REG DELETE `"HKLM\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\$shortcutName`" /f"
$uninstallString = "cmd.exe /c $uninstallCommand"
Set-ItemProperty -Path $keyPath -Name "UninstallString" -Value $uninstallString
Set-ItemProperty -Path $keyPath -Name "DisplayIcon" -Value $icon
}
}

[@naufaltaufiqurrahman]

Using Windows 11, I tried adding a portable app (non-installed app), which is not searchable in the search bar. The first method worked for me, and I don't think I need to do the second one, but it's worth a try since it adds the app to installed apps.
Thank you very much