CertUtil is a pre-installed Windows utility. This utility can provide the hash checksum for a file.

1. Open the Command Prompt. For Windows 10, click the Start menu, type cmd, then click Command Prompt.
2. Type CertUtil -hashfile pathtofile hashtype, then press Enter.
   1. Replace <pathtofile> with the path to the file to check. Example: c:\test\hello_world.py.
   2. Replace <hashtype> with the hash format. Example: SHA256. Valid hash formats include: MD2, MD4, MD5, SHA1, SHA256, SHA384, and SHA512.
   3. Example command: CertUtil -hashfile c:\test\hello_world.py SHA256
3. Copy the SHA256 hash.

Figure - Use CertUtil to Find Checksum

1. Open Terminal. Search for Terminal in Spotlight or Launchpad, or open using Applications > Utilities.
2. Type shasum -a 256 <pathtofile>, then press Return.
3. Copy the SHA256 hash.

Figure - Use CertUtil to Find Checksum

1. Open Terminal.
2. Type sha256sum <pathtofile>, then press Enter.
3. Copy the SHA256 hash.