Windows

cd $HOME\Downloads
(Get-FileHash .\kontas-download-0.1.0.zip -Algorithm SHA256).Hash
Get-Content .\kontas-download-0.1.0.zip.sha256

(Get-FileHash .\kontas-download-0.1.0.zip -Algorithm SHA256).Hash -eq (Get-Content .\kontas-download-0.1.0.zip.sha256).Split(' ')[0]

macOS

cd ~/Downloads
shasum -a 256 -c kontas-download-0.1.0.zip.sha256

Linux

cd ~/Downloads
sha256sum -c kontas-download-0.1.0.zip.sha256