For a detailed tutorial you may go to: https://veil.freshdesk.com/support/solutions/articles/43000544570-how-to-verify-the-hash-of-a-downloaded-wallet-installer
From our Github releases page https://github.com/Veil-Project/veil/releases download both the desired installer and the shasum file.
In the below commands replace "<file>" with the filename of the downloaded file.
If you are not in the folder that it is in, also include the path to the file, for example c:\Temp\filename.exe or ~/foldername/filename.tar.gz or ~/Downloads/filename.dmg
Windows command:
If you have "certificate services" installed you may run this from the command prompt:
certUtil -hashfile <file> SHA256
If you have Powershell v4 (or later) you may run this from the Powershell window:
For more information on Powershell versions check:
https://4sysops.com/wiki/differences-between-powershell-versions/
Get-FileHash -Path <file> -Algorithm SHA256
MacOS or Linux (Ubuntu 18.04) command:
shasum -a 256 <file>
or
openssl sha256 <file>
Now compare the resulting hash and the one for the downloaded file in the SHASUM text file.