Double-click the googlechrome.dmg file. A Finder window will pop up showing a Chrome icon and a shortcut to the "Applications" folder.
Go to your "Applications" folder (Finder > Go > Applications). Double-click "Google Chrome." Download Chrome For Mac 10.15.7
If you are running macOS Catalina version 10.15.7 on your Mac, you are in a specific transitional zone. Catalina represents the final "Intel-centric" operating system before Apple fully pivoted to Apple Silicon (M1/M2) and the new macOS versions (Big Sur, Monterey, Ventura, and Sonoma). Double-click the googlechrome