Save-Credentials

Saves credentials encrypted

Script

param([string]$targetFile = "~\my.credentials")

try {
	Write-Host "Enter username and password, please." -foreground red
	$cred = Get-Credential
	$cred.Password | ConvertFrom-SecureString | Set-Content "$targetFile"
	"? Your credentials have been saved to $targetFile (encrypted)."
	exit 0 # success
} catch {
	"?? ERROR: $($Error[0]) (script line $($_.InvocationInfo.ScriptLineNumber))"
	exit 1
}

Customize

targetFile string

Specifies the target file ("~\my.credentials" by default)