To upgrade QuarkXPress to this version: 

1. Disable any virus protection software. 

If you are concerned about a virus infecting your computer, run a virus check on the installer file, then disable your virus detection software. 

2. On Windows: Double-click the Installer icon and follow the instructions on the screen. 

On macOS: Drag QuarkXPress 2020 app bundle from the DMG to your Applications folder. 

Windows: When the Validation Code screen displays, choose Full Install from the Installation Type drop-down menu. If you have your upgrade validation code, enter it in the Enter your validation code fields. If you do not have an upgrade validation code, click Get validation code to go to the Quark Web site, follow the instructions on the screen to get the validation code, and then enter the validation code in the Enter your validation code fields. 

macOS: When the Validation Code screen displays, choose Full Install from the Installation Type drop-down menu. If you have your upgrade validation code, enter it in the Enter your validation code fields. If you do not have an upgrade validation code, click Get validation code to go to the Quark Web site, follow the instructions on the screen to get the validation code, and then enter the validation code in the Enter your validation code fields. 

3. Click Continue and follow the instructions on the screen.


The installer installs a new copy of QuarkXPress. It does not replace the earlier version (i.e. QuarkXPress 2020 will not replace QuarkXPress 2019, 2018, 2017, 2016 or 2015).