E5080B, E5081A Network Analyzer HTML Help (.CHM)

Download and install the simulator from https://www.keysight.com/find/e5080b-firmware. The CHM file is located under C:\Program Files\Keysight\Network Analyzer\Help\ENAENA. The help file does not show if it is saved in remote directory. You can copy it on different place in the local HDD. If you encounter a problem to view, right-click on the file, click Properties, then click Unblock.