How to calculate checksum for WINDOWS and LINUX

WINDOWS

Steps to calculate checksum using CertUtil for any file

Launch the cmd from Start Menu and use the CertUtil (pre-installed Windows utility) command to generate hash checksum
Navigate to the directory where your file is placed
Run the following command 
CertUtil -hashfile [FileName] SHA256e.g.CertUtil -hashfile ADSS-Server-vX.X-Win64-XXXXXX.zip SHA256

LINUX

Steps to generate checksum using sha256sum for any file:

Launch the terminal and use the sha256sum (most Linux distributions come with the sha256sum utility)
Navigate to the directory where your file is placed
Run the following command
sha265sum [FileName]e.g.sha256sum ADSS-Server-vX.X-Lin64-XXXXXX.zip
Ascertia is a global leader in delivering functionally rich, easy to deploy e-security solutions. We pride ourselves in being easy and efficient to deal with.
Ascertia is a global leader in delivering functionally rich, easy to deploy e-security solutions. We pride ourselves in being easy and efficient to deal with.