Restart the Mac: You may experience UI lag in your MacBook Air — animations and graphics that get choppy when they start opening apps or resizing windows. Click the Apple logo on the menu bar. In your Mac operating system, you may get so many features and components that are responsible for the best performance and reliability. If you are connected with the internet in your Mac then you can download many applications or programs using Apple store or Mac app store.
Distribute applications across multiple screens and platforms
Macbook Air Os Download
About Adobe AIR:
The Adobe AIR runtime enables developers to package the same code into native applications and games for Windows and Mac OS desktops as well as iOS and Android devices, reaching over a billion desktop systems and mobile app stores for over 500 million devices.
Create and package cross platform games/apps for major platforms.