Windows makes it possible to schedule PowerShell scripts to run at a predetermined time. The mechanism of choice for automating PowerShell scripts is the Windows Task Scheduler.

Do you want to execute a PowerShell Scripts without Signing? Learn how to run PowerShell Scripts locally without Signing in Windows 11/10.

One book should be good enough to start - I usually recommend Learn Windows PowerShell in a Month of Lunches (Ace mentioned this) for anyone new to code and scripting, PowerShell in Action v2 for ...

Using GPEDIT or REGEDIT, make Windows run PowerShell scripts first at logon, logoff, startup, and shutdown before the OS runs other scripts.

One of the best new features in PowerShell 7 is the ability to perform parallel execution of script blocks, which can drastically reduce the amount of time it takes to process ForEach-Object loops.