Catherine Hood Consulting

Downloading X-12 and X-13

Downloading what you need to download can be a bit overwhelming with all the available information on the US Census Bureau web site. This page will guide you step-by-step through the process.

Download Instructions for X-12 and X-13

The instructions on this page were written for students taking our seasonal adjustment classes, and the classes are taught with the Windows interface provided by the US Census Bureau.



To Download X-12-ARIMA and its Windows Interface

The Census Bureau no longer supports the download of X-12-ARIMA. Instead, they are recommending that everyone switch to X13-ARIMA-SEATS. It is possible to duplicate X-12-ARIMA seasonal adjustments with X13-ARIMA-SEATS. However, if you are still interested in using X-12-ARIMA, we have a version of the program available on this page.

  1. You will need to save the file "winx12.zip" to you computer. Right-click on the link below, and choose "Save File As . . ." or "Save Link as . . .", depending on your browser. I suggest saving the file directly to your c: drive. If this is not allowed in your current computer set-up, copy the file to a folder you will be sure to remember, perhaps "My Documents."
  2. Open Windows Explorer so that you can see the files and folders on your computer. Open the disk (c: drive) or folder where you saved the winx12.zip file.
  3. Right-click on the file and select "Extract all." Change the directory/folder to match the name of the directory/folder where the winx12.zip file was saved. Hit the "Extract" button.
  4. You will now have a "WinX12" folder. Inside you will see several subfolders, one of which is named "x12a." The actual X-12-ARIMA program is in this folder. This folder, and the others that you see, will be used by the interface program.
  5. Back in the "WinX12" folder, double-click on the WinX12.exe file. If your window doesn't show file extensions, look for the file with the snowflake as its symbol. This will take you through the installation guide for the program.
    • The first blank in the installation program is for the X-12-ARIMA executable file. This file is called x12a.exe, and it will be in the x12a subfolder. Hit the browse button to look for that file, and then click "Open."
    • By default, X-12 output is in text files. If you need the files in HTML for some reason, you can ask X-12 to convert the output to HTML. I don't use this option, and we won't use this option in the courses. (If you choose "Yes," then you will need to choose the converter program for either html or xhtml and the directory for the html output.)
    • For "Type of graph" choose "Win X-12 JAVA graphs." If you do not have JAVA installed on your computer, the program will remind you that graph cannot be produced until you install JAVA. (The "X-12-Graph program directory" is used only for the SAS program.)
    • If you would like to use Notepad or some other program to open the files, you may choose one in this window, but for the course, we will use the "default viewer."
    • Click "Save" to save your options and close the window. Installation is complete.
  6. At this point, you should have the Windows Interface running. For more information on how to run X-12-ARIMA with the Windows interface, please see the paper "Getting Started with Win X-12, a Windows interface for X-12-ARIMA Version 0.3" (PDF) by Catherine C. Harvill Hood (April 2010)


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To Download X-13ARIMA-SEATS and its Windows Interface

  1. Download the file "winx13.zip" from the US Census Bureau website. For your convenience, we have given a link below. You will need to save the file on your computer. Right-click on the link below, and choose "Save File As . . ." or "Save Link as . . .", depending on your browser. I suggest saving the file directly to your c: drive. If this is not allowed in your current computer set-up, copy the file to a folder you will be sure to remember, perhaps "My Documents."
  2. Open Windows Explorer so that you can see the files and folders on your computer. Open the disk (c: drive) or folder where you saved the winx13.zip file.
  3. Right-click on the file and select "Extract all." There is a chance to change the directory, if you wish. Change the directory/folder to match the name of the directory/folder where the winx13.zip file was saved. Hit the "Extract" button.
  4. You will now have a "winx13" folder. Inside you will see several subfolders, one of which is named "x13as." The actual X-13ARIMA-SEATS program is in this folder. This folder, and the others that you see, will be used by the interface program.
  5. Back in the "winx13" folder, double-click on the WinX13.exe file. If your window doesn't show file extensions, look for the file with the snowflake as its symbol. This will take you through the installation guide for the program.
    • The first blank in the installation program is for the X-13ARIMA-SEATS executable file. This file is called x13as.exe, and it will be in the x13as subfolder. Hit the browse button to look for that file, and then click "Open."
    • By default, X-13 output is in text files. If you need the files in HTML for some reason, you can ask X-12 to convert the output to HTML. I don't use this option, and we don't use this option in the courses. (If you choose "Yes," then you will need to choose the converter program for either html or xhtml and the directory for the html output.)
    • For "Type of graph" choose "Win X-12 JAVA graphs." If you do not have JAVA installed on your computer, the program will remind you that graph cannot be produced until you install JAVA. (The "X-12-Graph program directory" is used only for the SAS program.)
    • If you would like to use Notepad or some other program to open the files, you may choose one in this window, but for the course, we will use the "default viewer."
    • Click "Save" to save your options and close the window. Installation is complete.


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Extra Documentation on X-12/X-13

Below are some additional resources that might be useful when learning X-12/X13.


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Trademarks and Copyrights

  • TRAMO/SEATS is written by Victor Gomez and Agustin Maravall and is available free of charge from the Bank of Spain web site.
  • X-12-ARIMA and X-13ARIMA-SEATS are products of the U.S. Census Bureau and are available free of charge.
  • Windows Operating System, Microsoft® Windows, Copyright Microsoft Corporation

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Web content by Catherine Hood Consulting, Copyright 2006-2018
Last modified: 14 May 2018