"If you want super up to date stuff, an LTS is not your best choice, I'd go for something like Fedora and just keep back ups or set up snapper using this easy guide on youtube." (For example.)

”Package managers are basically your app store, you'll probably have the official one for your distro and then a general one called flatpak, use these for downloading your 'apps.'" They can understand a few basic things, they're windows users not Amish.