Follow these instructions to download and install TeamViewer Host on your Mac computer.

Click on the image to download TeamViewer Host for macOS.

Double click on the downloaded dmg file and then a window will pop up. Click on the icon and start the installation.

Check the warning box and click Open.

Accept the EULA and click Continue.

Click Continue.

Click Install.

Enter your Mac password and click Install Software.

click Close.

click Move to Trash.

Click on the TeamViewer icon on the upper right corner and select Check system access.

Now click on each of the permissions to allow TeamViewer Host to connect to your Mac. You will need to enter your Mac user password for each of them.

When you're done, there will be a blue check on each of the permissions.

Click the TeamViewer icon on the upper right corner and select Show status dialog.

Select Connect with TeamViewer ID and share your ID and pasword to grant access to your Mac.

The ID and pasword window will look like this, but with your own unique ID and randomly generated password.