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Using an MD5 checksum is a fast and easy way to verify that two files are identical. By comparing the MD5 checksum of the downloaded content to the original one you can be certain that your file is correct.

If you are not sure whether your download was successful or the installation has failed for another reason, the first thing you can try is to check the validity of the downloaded file. To do this, please use the provided MD5 checksum and check if the file was downloaded incorrectly. Incorrect downloads can happen due to an Internet connection dropout, a full hard disk, or for various other reasons. These MD5 checksums provide unique signatures for each file, and they will indicate if the downloaded file is correct or corrupt. Those files that are corrupt can be re-download again and re-checked.

How to use the MD5 checksum?

On a Mac,

1. Open the Terminal application from your Applications folder
2. type md5 on the command line
3. add a space character
4. drag-and-drop onto the command line the file for which you want to calculate the MD5 hash and hit enter.

You will see the calculated MD5 checksum for the given file and now you can compare that to the MD5 hash of the original one.

On Windows, you can use a third-party software, for example, Total Commander to calculate the MD5 checksum or you can use the command line:

1. Press Windows R, type cmd, and press Enter. (You can also open the command prompt from the Start menu)
2. Navigate to the folder that contains the file whose MD5 checksum you want to check and verify. As an example:

   cd D:/MusicSoftware/Inspirata/

3. Run the hashfile command for the file you'd like to check, for example:

   certutil -hashfile Inspirata_Lite_Roompack.ZIP MD5