Installing multiple instances of AD versions

Created: March 25, 2021 | Updated: August 5, 2022

Can I install more than one version at a time? Do I have to remove older versions first? Do I have to use the same version to edit as was used to create the project?

Starting in Version: 18.0
Up to Version: Current

Solution Details

If your licensing is on subscription, it allows you to use the latest version of our software.  Altium Designer presents an entirely new look and feel starting at version 18, with new features that will enhance your board design experience.  Here's what's new for our current version:
https://www.altium.com/documentation/altium-designer/new-in-altium-designer
 
(You can see what was added to any particular version by changing the version pulldown list at the top of the left panel)
 
If you want to try it out, you can have multiple versions installed (even running) at the same time, as they do not interfere with each other.  And, the PCB files created by all versions of Altium use the same file format, so they are forward and backward compatible.  New features like Advanced Layer Stack manager or unlimited PCB Mechanical Layers with Layer Types from AD20 may not be supported in older versions.  When you open a PCB modified by a newer or older version, an html report will open, describing any unsupported or converted features (if any.)

Download/install the most recent version from here (Any version can be installed directly, no incremental updates are required):

https://www.altium.com/products/downloads



Here's documentation with screen shots:  
https://www.altium.com/documentation/altium-designer/altium-designer-system-installation-licensing-management

https://www.altium.com/documentation/altium-designer/installing-altium-designer

If you already have a version of Altium Designer installed, the installer will ask you to choose between New Installation or Update existing version.  To keep previous versions and install this installer's version as a different installation from any others, choose "New Installation".

Install4_AD22-650x463.png


If you are installing a newer or older version of the same major release (20, 21, or 22 for example), and you want to keep the old version, by choosing "New installation" in a previous screen, you will need to modify the default paths for the Destination Folders.  For example, if you already have AD22.5.x installed and you want to also install AD22.4.x or AD22.6.x, you can't use the default folder AD22 since it already exists.  Modify the paths to make them unique.  For example AD22_4

Destination paths.png


This documentation has more detail:
https://www.altium.com/documentation/altium-designer/altium-designer-system-installation-licensing-management#!installing-multiple-instances-of-the-software

It is not necessary to uninstall older versions before or after installation, unless you are low on hard disk space.
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