Q: How does the licensing work?
A. Please see our Licensing FAQ and the FAQ for each product page.

Q: The product says my user name or license key is invalid. How do I fix that?

  • License keys are major version specific. Verify that you are using the correct version of the software with the correct license key. The receipt has the version number as part of the SKU.
  • Verify that you are using BOTH the User Name and the License Key from your receipt.

Q: How do I tell what has changed in each version of the product?
A. Go to the product on the website. Click on the History tab.

Q: How do I use my user name and license key?
A. See the Licensing\Using Your License Key topic in the help file for the product you purchased.

Q: How long does it take to get my license key after I purchase?
A. License keys are given immediately upon credit card authorization.

Q: My login no longer works. Why?
A: If you ordered before June 22nd, 2015, you will need to create a new login. On June 22nd, 2015 we moved to a new cart system; Shopify.

Q: I lost my license key how do I retrieve it?
A: Go to your account: https://www.kellermanstores.com/account

Q: I lost my software how do I retrieve it?
A: Go to downloads: https://www.kellermanstores.com/alldownloads

Q: How do I use a 30 day trial? I believe I need a key. How do I retrieve that?
A: If you are using the regular .NET framework, no 30 day trial is needed. Simply download from our website or NuGet and use it. If your project is using .NET Core you can generate a trial key with this link: Generate Trial Code

Q: What are the benefits of re-subscribing?
A. You will receive the latest version of the software plus all major and minor updates (including defect fixes) of the software for one year after the purchase date.

How do I receive product update notices:

Subscribe to our news feed via RSS for product updates:

Receive an email for product updates:

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What other communication mechanisms do you have?

See our business blog:

Our You Tube Channel:

Product-specific FAQs can be found on the detail page for each of our products.