Download and Install TQSL 2.5.4
The latest version of TQSL (version 2.5.4) can be downloaded here.
Release Notes for TQSL v2.5.4
<http://www.arrl.org/tqsl/TrustedQSL-2-5-4-release.pdf>
TQSL is available for MS Windows (PC), Mac OS (Apple) and Linux
operating systems.
You do not have uninstall older versions of TQSL.