W8 Sidebar is a lightweight tool  that acts as a desktop gadget for Windows 10, 8.1 and Windows 7 systems.

Windows gadgets  was introduced in Windows Vista and later  these candy desktop additions were abandoned by Microsoft after discovering that these  gadgets can be used to execute  code remotely and  this can compromise Windows systems.  In Windows 10 & 8, these gadgets are replaced with modern  live tiles and apps

But, W8 Sidebar is secure and safe as it’s a standalone  program and not a gadget. If you are a fan of  windows gadgets  then W8 Sidebar  program is for you.This is a light weight tool (just 2 MB) and offers useful components that can  be accessed right from your desktop.

The program will show information about your CPU, RAM, hard drive usage, network upload and download speed along with your IP address. When you click the CPU picture it will launch resource monitor, where as clicking on RAM will launch task manager and you can use the hard disk partitions by clicking the drive name/letter that you wish to access.