Windows 10 health and performance

Dev PC
4 GB RAM128 GB HDD6 years old
All batteries become less effective as they age. Unfortunately, we can't determine the health of your PC's battery.
Your storage drive is 78% full (26 GB free space left). This drive contains your files, apps, and Windows. Manage storage settings
Startup times vary and depend on how many apps you have installed, the speed of your processor, and the kind of storage you have. Manage your startup programs