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Drive Genius 5 is now compatible with macOS 10.13 High Sierra. Here’s how you can update.

If you already have a version of Drive Genius 5 (including Beta) installed go to the Drive Genius → "Check For Update" dropdown menu option.

You can also update by following these steps:

Step 1: Download Drive Genius 5.1 (an email address is required).

Step 2: After downloading the DMG file, open it and manually drag the Drive Genius icon into your Applications folder. If you already have a version of Drive Genius in the Applications folder, choose to replace it when prompted.

Step 3: Launch Drive Genius from the Applications folder.

Running an older version of Drive Genius?

Drive Genius 4 or below is not compatible with High Sierra. If you want to continue to use Drive Genius on macOS 10.13 High Sierra, you can upgrade to Drive Genius 5.1 here.

What you need to know about Drive Genius 5.1 and High Sierra

Due to security changes in 10.13 a few things have changed when using the startup drive.

macOS 10.13 High Sierra introduces additional security changes which prevent normal applications from accessing the current startup drive’s raw contents.

This change, which is an expansion of the existing System Integrity Protection feature introduced in macOS 10.11 El Capitan, prevents some features of Drive Genius from functioning correctly. As a result, Physical Check and Speed Test will require you to run Drive Genius from a secondary startup drive. Drive Genius can create such a drive for you, using BootWell. These features will still run as normal on macOS versions 10.12.6 and below (earliest supported).

In addition, due to the inability to access the raw data of an APFS drive, Drive Genius does not support Repartition and Defragment of APFS Volume/Partition and Drives.

These features continue to work on non-startup drives in 10.13 and all drives in 10.12 and earlier without needing to restart.

Tips & Information

Here is some helpful information on how to Repartition your Mac drive when running macOS 10.13 High Sierra, as well as an important notice about Defragmenting your Mac.

There are still ways to repartition your drive. For example Apple’s Disk Utility can perform that task for you. Here’s how to repartition your drive using Disk Utility:

Step 1: Open Disk Utility (It is located in your Applications -> Utilities folder. You can also search for it with Spotlight search by pressing the magnifying glass in the top right corner of your screen)

Step 2: Select the drive you’d like to partition from the left side of the Disk Utility window.

Step 3: Press the Partition button from the selections available at the top of the window.

Step 4: Add or remove partitions using the (+) and (-) buttons below the partition diagram. You can resize partitions using the resize controls on the outer edge of the diagram, or by selecting a specific partition and editing its size in the Partition Information Section.

The Partition Information section also allows you to name partitions and select their format including both the new APFS and legacy formats. Once you have added or removed partitions as desired, press the Apply button to repartition the drive to your specifications.

With solid state drives (SSDs) becoming increasingly common as both upgrades to existing systems and in new Macs, many users want to know whether the defragment process they once used on their rotational HDD will still be necessary.

Tests have shown that defragmenting an SSD provides little to no improvement in performance following the operation. The high read/write speeds of modern SSDs minimizes the issue of accessing fragmented data quickly.

In addition, the NAND flash memory that comprises a SSD has a limited number of write cycles, so defragging it can actually reduce the drive’s lifespan with unnecessary writes.

We recommend that you do not defragment your SSDs as they do not benefit from the defragmentation process.

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