Brand new MacBook Air Tells me update available it is for BigSur 11.4 Won't update

Pop Identifies need to update computer purchased at Apple yesterday. I try to update but it simply shows the same window over and over....

macOS Big Sur 11.4 adds Apple Podcasts subscriptions and channels and includes important bug fixes.

Podcasts

• Apple Podcasts subscriptions are available for purchase via monthly and annual subscriptions
• Channels group together collections of shows from podcast creators

This release also fixes the following issues:

• Bookmarks in Safari may get reordered or moved into a folder that can appear hidden
• Certain websites may not display correctly after your Mac wakes from sleep
• Keywords may not be included when exporting a photo from the Photos app
• Preview may become unresponsive when searching PDF documents
• 16-inch MacBook Pro may become unresponsive when playing Civilization VI

For more detailed information about this update, please visit: https://support.apple.com/kb/HT211896

For detailed information about the security content of this update, please visit: https://support.apple.com/kb/HT201222