This way youll remove all system junk without a risk to your Mac.

But to help you do it all by yourself, weve gathered our best ideas and solutions below.

And right now you yourself are helping Apple to solve them by seeking fixes to common macOS High Sierra issues.

Weve pieced together the most reported ones so far (as of December 2017), from macOS High Sierra not downloading to Wi-Fi issues and a few others.

You may be shown Installation of macOS could not continue message on your screen.

Try rebooting the Mac App Store or repeat the download in a few minutes.

Before you resume the installation, remove all partially downloaded files (that are named macOS 10.13 High Sierra) from your Mac.

Try again.

You clicked Continue, but the now button appears to be greyed out.

Go to Applications to find macOS High Sierra Installation file.

You clicked Continue, but now the button appears to be grayed out.

Control click the installation icon in the Dock 2.

Choose Quit 3. Go to Applications to find macOS High Sierra Installation file 4.

Though it doesnt seem terribly much, it is still recommended to have at least 15-20 GB of storage for macOS High Sierra to run smoothly.

But first of all, figure out whats taking up your valuable space.

It has a feature that specifically searches for large and unused files on your drive.

You can always prefer to do the job manually, but it could be too much of a hassle.

By then your Mac should be ready to install and download macOS High Sierra.

The Time Machine hangs while showing Preparing backup message and may stay unresponsive for hours.

Open Backups.backupd folder 3.

While inside, locate the folder that has name of your Mac on it 4.

Type.inProgress in the search bar above 5.

Locate the file with.inProgress file extension and delete it.

Some users reported their Mac was running slower after macOS High Sierra update.

Check out this guide on how to speed up your Mac and try these tips on your machine.

Go to Applications Activity Monitor and see what apps are weighing on your Macs memory.

Force quit the apps that are excessively eating up CPU resources.

Dmg Won'T Open Sierra Free To Download

Download CleanMyMac X (its free to download) and click System Junk.