For GuideSIGN Markings, the software is installed as part of the GuideSIGN Pro package, and will be upgraded as and when your installation of GuideSIGN Pro is upgraded.

Regarding standalone GuideSIGN Markings installations:

• The default installation directory different for each version of GuideSIGN Markings
  C:\Program Files\Transoft Solutions\GuideSIGN Markings\
• The installation will therefore not overwrite files in your previous GuideSIGN Markings directory
  C:\Program files\Transoft Solutions\GuideSIGN Markings\

Please retain the previous installation as a backup until the update is working to your satisfaction.

Occasionally a patch update may be issued such as 1.0 to 1.0.3 or 2.1 to 2.1.1. In these cases, the patch will update the existing installation files, overwriting any older files that need to be replaced. Usually, such an update will only be minor fixes and alterations with no significant changes in operation or functionality.