How do I fix the requested version of OSX is not available?

Answered by Jarrod Smith

To fix the “The requested version of macOS is not available” error, you can try the following steps:

1. Check your internet connection: An unstable or poor internet connection can cause issues when trying to download macOS updates. Restart your router to refresh the connection, reconnect to your WiFi network, or try connecting your Mac directly to the router using an ethernet cable for a more stable connection.

2. Verify system requirements: Ensure that your Mac meets the system requirements for the macOS version you are trying to install. Older Mac models may not be compatible with the latest macOS releases. You can check the system requirements on Apple’s official website.

3. Clear App Store cache: Sometimes, issues with the App Store cache can prevent macOS updates from being downloaded. To clear the cache, open the App Store, hold the Option key on your keyboard, and click on the “Purchases” tab. Then click on the “Reload” button in the top left corner to refresh the cache.

4. Reset NVRAM or PRAM: Resetting the Non-Volatile Random-Access Memory (NVRAM) or Parameter RAM (PRAM) can help fix various software-related issues. Shut down your Mac and then turn it on while holding the Option + Command + P + R keys until you hear the startup chime for the second time. This will reset the NVRAM or PRAM, and your Mac should restart.

5. Use a different Apple ID: If you are using a different Apple ID than the one originally used to download macOS updates, it may cause the error message. Try signing out of the App Store and signing back in with the original Apple ID that was used to download the macOS update.

6. Check for storage space: Insufficient storage space on your Mac can prevent macOS updates from being downloaded and installed. Ensure that you have enough free space on your hard drive or SSD. You can check your storage by clicking on the Apple menu, selecting “About This Mac,” and then clicking on the “Storage” tab.

7. Try downloading from a different network: If you are still encountering the error, try downloading the macOS update from a different network, such as a friend’s house or a public WiFi network. This can help determine if the issue is specific to your internet connection.

8. Contact Apple Support: If none of the above steps resolve the issue, it is recommended to contact Apple Support for further assistance. They can provide personalized guidance based on your specific situation and help troubleshoot any underlying issues.

Remember, it’s always a good practice to backup your important data before performing any system updates or troubleshooting steps to ensure that your data is safe in case anything goes wrong during the process.