Open Command Prompt (Type cmd in the Run Dialog box).
navigate to the downloaded folder location in CMD.
type the following code and hit enter
certutil -hashfile [file location] SHA256
For example
certutil -hashfile "Battery % Viewer Setup.exe" ShA256
Compare the results from the CMD window with the results provided on the Website (SHA256 Value).
If the values are the same that means that the file is safe to install.
Download the Setup from the Links provided in the Previous page and save the Battery % Viewer. exe setup file in a convenient location on the Haard Drive.
Once Downloaded run the setup. exe file
If the Windows Smart Screen Worning appears, click on the More Info Link and then click on Run anyway
Accept the UAC in windows to proceed with the Installation of the software.
Follow the On screen steps to install the software.