Fullscreen split view for Mail: The Mail app will have a new full-screen split view, allowing you to see your inbox while composing a message.

The new version of Safari will help you block this type of tracking to protect your privacy.

Ad tracking protection: You may already know that many websites track your activity in order to deliver targeted ads.

Mail app improvements: If you use the built-in Mail app for email, you'll be able to keep it open without slowing down other apps because the new version will use 35 percent less disk space.

According to Apple, it will be able to run JavaScript 80 percent faster than before.

Safari speed improvements: The built-in Safari web browser will be faster than previous versions.

Rather, it will allow your computer to access files much more quickly, leading to a noticeable improvement when moving or copying files. Because this is a back-end change, it won't change the way your files and folders are organized.

File system: macOS High Sierra will use a new file system called Apple File System (APFS), which will replace the current Hierarchical File System Plus (HFS+).

Most of the changes are designed to improve the speed and efficiency of your computer. The look and feel of High Sierra is very similar to Sierra. You cannot purchase a physical copy at a retail store.

Bring some small improvements to Photos, Mail, Note, Messages, etc.As with previous versions, macOS High Sierra is only available as an online download.

Add support for High Efficiency Video Coding (HEVC), with hardware acceleration where available, as well as support for High Efficiency Image File Format (HEIF).

It includes virtual-reality and machine-learning features, as well as support for external GPUs.

Update Apple's graphics API to Metal 2.

It can speed up common tasks like duplicating a file and finding the size of a folder's contents.

Apple File System (APFS) replaces HFS Plus as the default file system in macOS for the first time.

Some of these improvements are as follows:

It focuses on performance improvements and technical updates rather than user features.

Released in 2017, macOS High Sierra (version 10.13) is the fourteenth major release of macOS.

Do you want to install macOS High Sierra on your device? This post from MiniTool Partition Wizard tells you the macOS High Sierra new changes and installation requirements, and offers you the full macOS High Sierra download and install guide.

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