: For versions like High Sierra (10.13) through the latest macOS, use the Mac App Store. Searching for the specific version (e.g., "macOS Monterey") in the store will allow you to download the "Install macOS" app directly to your Applications folder.
Many third-party download sites wrap installers in their own download managers. These often install adware or "cleaner" software on your Mac, degrading the very performance you are trying to fix by reinstalling the OS. Installmacosx.dmg Download Extra Quality
You risk:
Replace /Applications/Install\ macOS\ Monterey.app with the path to your installer and /Volumes/MyVolume with the destination USB drive. : For versions like High Sierra (10
The cursor moved on its own. It dragged a file from the "Extra Quality" system folder onto the desktop. The file was labeled: User_Optimization.pkg Installmacosx.dmg Download Extra Quality