Hello Do you want to run chrome as html code preview from pspad or do you want to chrome start pspad as page source viewer?
First case - set chrome as external application in the highlighter settings / html Second case - write: about:config in chrome address field, search for source viewer and fill in path to pspad there -- <https://forum.pspad.com/read.php?2,75193,75194> PSPad freeware editor https://www.pspad.com