How To Update Macos High — Sierra 10136 To 1015 __top__

macOS Catalina (10.15) requires specific hardware and 4GB of memory. Ensure your Mac is on the following list: : Early 2015 or newer MacBook Air : Mid 2012 or newer MacBook Pro : Mid 2012 or newer Mac mini : Late 2012 or newer iMac : Late 2012 or newer iMac Pro : 2017 models Mac Pro : Late 2013 or newer Step 2: Prepare for 64-bit Software

Scroll down the left sidebar to the Software category and click .

Although you're already running High Sierra, not all models that run High Sierra are officially compatible with Catalina. Check your model against the list below.

Just let me know your and if you have any essential old apps ! Updating and Upgrading macOS High sierra - Apple Community how to update macos high sierra 10136 to 1015

When the App Store opens to the Catalina page, click the or Download button.

Wait for the list to load, then look at the column labeled .

If your Mac is older than the models listed above, you cannot officially upgrade to 10.15 via standard methods. Step 2: Critical Preparations Before Upgrading macOS Catalina (10

The Catalina installer needs room to work. Apple recommends , but it's wise to have 20-30 GB free to ensure a smooth process.

Do not interrupt power or close the lid on a laptop.

If you need 32-bit app support, do not upgrade to Catalina. Instead, upgrade to – the last macOS to support 32-bit apps. Check your model against the list below

Compatibility and hardware

Once the download is complete, the installer should open automatically.

If your Mac is not on the official compatibility list, you can use community-built tools to install Catalina. The most popular is .

Wait for the backup process to finish completely before moving forward. Step 4: Clean Up Disk Space and Update Current Apps

This is the most important safety net. A full backup allows you to completely revert your Mac if the upgrade fails or you dislike Catalina.