Uninstalling the Previous Version

Click on the Start button on the lower left of your screen and then click "Control Panel".
Click on Add or Remove Programs (Windows XP) or Uninstall or Change a Program (Windows Vista/7).

Locate the listings for Airgas_Full_Catalog or Airgas_Product_Catalog, highlight it, and click Change/Remove and completely remove the old catalog(s) from your computer.

Then, follow the instructions below for Installing From The Web to install the new version of the catalog on your computer.

Installing From The Web

Installing from the Web is easy. Just click on the "Launch Now" button on the installation page and you'll see the Application Install dialogs. Simply step through each dialog to complete the installation process.

Progress bar shows the download progress of the catalog.

Click Open (Starts the Installation process.)
Save (Saves the file to your computer but does not install it.)
Cancel (Stops the entire process.)

Click Install to complete the installation
Cancel (Cancels the installation.)

Choose to add a shortcut to your desktop and/or start the application as soon as it's installed. You can change the installation folder, but the default setting is best.
Click Continue to finish installing.

Updating your Catalog

The Airgas Catalog features an automatic updater and will check for new releases when you start the catalog. If an update is available, you will be notified with the following dialog.

Click Download Now to start the update process
Click Download Later to perform the update at a later time.

The download will continue unless you click Cancel.

Once the download is complete, click Install Now to update the catalog.

Progress bar shows the download progress of the update. The updated catalog will start automatically when it has been successfully installed.