You can download the Commtap Symboliser for PowerPoint for a free 30 day trial. To continue using it after your trial period has finished you will need to buy a license key.
Commtap Symboliser Version 2.23
To use the Commtap Symboliser for PowerPoint you will need Microsoft Office PowerPoint running on Windows.
Make sure that PowerPoint is closed before installing the symboliser. Double click on the file that you downloaded to start the installation (it will be named something like “commtap-symboliser-for-powerpoint-v2 … .msi”). The installation should start.
Message about the symboliser not being commonly downloaded
When you download the file you may get a message saying “commtap-symboliser-for-powerpoint.msi is not commonly downloaded and may harm your computer”. To get it to run, go to “View Downloads” (Internet Explorer or Microsoft Edge), right click on the file in the list and click “run anyway” (Microsoft Edge) or click on “Actions” next to the file in the list, “more options”, and “run anyway” (Internet Explorer).
Not being able to install because you are asked for an administrator password
You may be able to install the symboliser for your own personal use on the computer instead.