I used Microsoft's free Windows 11 battery health tool to diagnose my PC - and got helpful results

Windows 11 has a built-in report that provides insight into your laptop's battery status, including whether a replacement is actually needed.
PCMag UK

Microsoft Says This Free App Speeds Up Your PC With One Click. I Put It to the Test

You can pay for third-party PC optimization software to make your computer run more smoothly, but Microsoft PC Manager does ...