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LoopCAD 2021

You can multi-select circuit ends by holding down shift, then drawing a rectangle around the circuit ends, and releasing the mouse button and the Shift key. The circuit ends can then be moved together.

Activation Help Topics

Entering an Activation Code

Applies to: LoopCAD 2022, HeatCAD 2022, PlumbingCAD 2021

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