I tried this free Microsoft cleanup tool to see if it'd speed up my Windows PC - here's the result

This document outlines Windows PC Manager’s features, including access to System Protection settings (security checks, Windows Update, default apps, network speed test), Storage management (deep clean, downloads management, large/duplicate file views, Storage Sense), and App management (running processes, startup apps, and a Deep Uninstall to remove programs and residual files/Registry entries). It also describes a toolbox providing quick access to utilities like Notepad, Calculator, image search, audio recorder, Snipping Tool, translator, and currency converter, plus a customizable floating toolbar for easy feature access.