How to Purchase STDF Viewer

Follow these simple steps to get your license

Start by downloading the free 7-day demo from our download page. Install it on the computer where you want to use STDF Viewer.

Go to Download Page

Launch the STDF Viewer application. The demo will work for 7 days from the first time you run it.

Note: The demo has full functionality - you can test all features before purchasing.

In the STDF Viewer application, go to Help → License Info (or Help → About).

You'll see your Machine ID displayed prominently. This is a unique identifier for your computer.

Click the "Copy Machine ID" button to copy it to your clipboard, or manually select and copy the Machine ID text.

Tip: The Machine ID looks like a long hexadecimal string (e.g., "a1b2c3d4e5f6..."). Make sure to copy the entire string.

[Screenshot: License Info dialog showing Machine ID with Copy button]

Come back to this website and click the "Purchase Now" button on the pricing page.

Go to Pricing

Fill out the purchase form with:

Important: Make sure the Machine ID matches exactly. The license will only work on the computer with that specific Machine ID.

Follow the payment process through Stripe or PayPal. The payment is secure and processed by trusted payment providers.

After successful payment, you'll see a confirmation page.

Within a few minutes, you'll receive an email containing:

Save the license file to the same directory where you installed STDF Viewer, or follow the instructions in the email.

Download the full version installer from the link in your email, or use your existing installation with the license file.

Launch STDF Viewer - it will automatically detect your license and you're ready to go!

✓ Your license is valid for 1 year from the purchase date.

If you encounter any issues during the purchase process or have questions about finding your Machine ID, please contact our support team.

Start Purchase Download Demo First