If you are viewing this web page on your Windows PC then you can click the download link to open the Microsoft app store directly: Download link
Otherwise, open the Microsoft Store app and search for “HDHomeRun”.
Click the installation button
Scan for channels
The HDHomeRun will attempt to automatically scan for channels the first time it is connected to power, and will occasionally do a background scan every few days, but you may still need to run an initial channel scan.
In a web browser that is on the same local network as the HDHomeRun (your PC, phone, tablet, etc), go to this address: http://hdhomerun.local/lineup.html
Click on “Detect Channels”
You can also hide or “Favorite” channels from this page. Click the gray star next to a channel number once to make it a “Favorite”, then click it again to “Blacklist” the channel from the HDHomeRun app. Click again if you wish to return a channel to the default gray star (no setting).