tp44794,
Welcome back to the forum. 
… long time no see.
You may start with reading
or this:
Some short recommendations:
- Do not over comment.
Even for human beeings not knowing PowerShell it’d some kind of obvious that
Start-Sleep -Seconds 3
does a
# Pause for 3 Seconds
-
Do not use
Write-Host
Write-Host Considered Harmful | Jeffrey Snover's blog -
Do not post unnecessary white space or empty lines. It makes your code harder to read
-
Format your code nicely. Use indentations. Add line breaks after pipe symbols to reduse the length of your code lines.
-
Do not iterate more than once over a given array if it’s not necessary.