Quiqr is available for Mac, Windows and Linux. Here are the latest installers.
Quiqr for Mac
Open the disk image and copy the Quiqr app to your Applications folder.
Quiqr for Windows
After download execute the .exe-file to install Quiqr.
Quiqr for Linux
Quiqr for Linux AppImage
Quiqr for Linux Deb
Quiqr for Linux RPM
You can also find Quiqr in Snapcraft Store.