how to download old version macos from apple store

1. links

   https://apps.apple.com/cn/app/macos-catalina/id1466841314?mt=12

   https://apps.apple.com/cn/app/macos-high-sierra/id1246284741?mt=12

   https://apps.apple.com/cn/app/macos-mojave/id1398502828?mt=12

   https://apps.apple.com/cn/app/macos-sierra/id1127487414?mt=12

   https://apps.apple.com/app/os-x-el-capitan/id1147835434?mt=12