The problem with F7 X Solar and Basecamp+Mapinstall (update?) (and seems you can't send an email to support outside working hours) - fēnix 7 series - Wearables - Garmin Forums
Garmin MapInstall Download - This software will not work unless you already own a MapSource product
OpenStreetMap-Garmin maps | Big Size Maps
Garmin MapInstall 4.2 - Download for PC Free
Installing Maps to the Computer Using Garmin Express | Garmin Customer Support
NaviTotal.com • View topic - help needed garmin map install
Download Garmin MapInstall for Mac | MacUpdate
A guide to installing MapInstall on your Windows PC. - YouTube