"Free," she said with a tired smile. "But it took me six cups of coffee and a lot of swearing."
The search results were a swamp of trial versions, malware traps, and "freemium" apps that let you place one light switch before demanding a $500 license. She was about to give up when she found a forum post from a retired electrician named "WireWizard64."
That night, broke and desperate, she typed into her old laptop: "see electrical 3d panel software free download."