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LoopCAD 2021

Downward losses or back losses can be auto-calculated, or can be specified as a % of the upward load.

Activation Help Topics

Entering an Activation Code

Applies to: LoopCAD 2021, HeatCAD 2021, PlumbingCAD 2020

Once you receive your activation code, follow the instruction below to enter it into your copy of the software.

If you encounter any difficulties with your Activation Code, see the Troubleshooting page.

  1. Run the program on the computer that you want activated.
  2. If the Activation window does not automatically open, click the Activate link.
  3. You now have two options to proceed:

    Manual Input Option

    1. Enter the code in the Activation Code field. Enter the code exactly, including the dashes.
    2. Click the Apply button.

    Automated Retrieval Option

    1. Click the green Update Activation button.
    2. Complete the login when prompted.
    3. The activation code will be retrieved and automatically applied to your computer. Just click OK after it is completed.
Activation Help Topics