How do you verify the integrity of file you downloaded from the Internet? If you’re using Windows 7/10 Operating System, here’s a simple step by step guide.
- Download the File Checksum Integrity Verifier (FCIV) utility installer KB841290 from Microsoft website e.g. Windows-KB841290-x86-ENU.exe
- Install FCIV. I normally save to my c:\tool folder. Of course, you can save it to whatever folder you prefer. I just want to be organize a little.
- Then, I run “fciv [filename of file to check the integrity] -sha1“. I compare the result to the SHA1 information from the website, if they are match the file integrity is intact.
Here’s an example.
I downloaded the GPG4Win (gpg4win-2.3.3.exe) packages and check the SHA1 checksums (67e13c4f90ff6a70ad57bd31af64a238c9315308) on their website e.g. https://gpg4win.org/package-integrity.html.
Using File Checksum Integrity Verifier (FCIV) I run the following command.
C:\Tools>fciv e:\tools\gpg4win-2.3.3.exe -sha1 [Enter]
// File Checksum Integrity Verifier version 2.05.
Then, I check if the checksum result is the same.
For Linux operating system, simply use gpg utility to check the integrity of file.
Hate to download, why not use the Online tool from MD5file.com website.
Let’s use the BitShares client file for testing. As of writing this tutorial, here’s the current hash value. Using Windows installer, and take note the SHA256 value.
Step 01. Download the BitShares windows client.
Step 02. After downloading the file. Go to https://md5file.com/calculator website for us to verify the hash value of the file.
Step 03. Drag the file and it will compute the value of SHA256 and other selected method. Here’s the result, compare the value of SHA256 to the value in Step 01. If they are the same, meaning your downloaded file integrity is ok.
That’s how you check the file integrity. Post a comment below if you have any question.
- March 13, 2018 updated to add MD5file.com utility calculator website.
- October 16, 2016 Published.