To download Mac OS X Yosemite 10.10.5, you can use the official Apple Support Direct Download link. Apple provides these legacy DMG files for users who need to reinstall older operating systems or create bootable installers. Guide: How to Download and Prepare the Installer
/Applications/Install OS X Yosemite.app
The only legally sanctioned way to obtain macOS X Yosemite (10.10.5) is through Apple’s own distribution channels—principally the Mac App Store or Apple’s support download page for the 10.10.5 combo update. Using unauthorized DMG files from third‑party sites violates Apple’s licensing terms and may expose you to malware or instability. Follow the steps outlined above to acquire, verify, and deploy Yosemite responsibly. mac os x yosemite 1010 5 download dmg link
sudo /Applications/Install\ OS\ X\ Yosemite.app/Contents/Resources/createinstallmedia --volume /Volumes/YosemiteUSB --applicationpath /Applications/Install\ OS\ X\ Yosemite.app --nointeraction
Summary: For a safe download, avoid third-party "DMG" links found on search engines, as they often contain adware. Use the official Apple Support link to download the installer App, and use the Terminal command if you require bootable media. To download Mac OS X Yosemite 10
You can download the OS X Yosemite 10.10 installer as a disk image (.dmg) file directly from Apple's servers using the link below: Click Download