Note: These instructions cover installing Suitcase Fusion for the first time. If you are upgrading from an older version of Suitcase Fusion, go to Upgrading to Suitcase Fusion v21 from a previous version.
You can get the latest version of Suitcase Fusion from the Suitcase Fusion Support page. Suitcase Fusion comes as an application in a disk image (.dmg) file for Mac and as an installer in a .zip archive for Windows.
Installing Suitcase Fusion for Mac
Double-click the disk image to open it in the Finder.

Drag the Suitcase Fusion icon to the Applications shortcut to copy it to your Applications folder. If you do not have an administrator account, you will be asked to enter an administrator username and password to allow the move.

Installing Suitcase Fusion for Windows
Double-click the .zip archive to open it in File Explorer, then double-click the installer.

Click Install; if you do not have an Administrator account, you will be asked to authorize the installation.

When the installer completes, click Close.