Use Safari to download macOS on your Mac
https://support.apple.com/en-us/HT211683
macappstores://apps.apple.com/us/app/macos-big-sur/id1526878132?mt=12macappstores://apps.apple.com/us/app/macos-catalina/id1466841314?mt=12
macappstores://apps.apple.com/us/app/macos-mojave/id1398502828?mt=12
