unzip it, and you can look 1 file and 1 folder SeparateStickyAndNormal and addon-SeparateStickyAndNormal.xml
Upload the SeparateStickyAndNormal(including all sub directories and files contained within it) to:
After uploading, to verify, you should have: yourXF/library/SeparateStickyAndNormal/
Log in to your Admin panel:
Admin -> Add-ons -> Install Addon. Click the Install from Upload file button, and browse to the location you unzipped this Addon in, and click the addon-SeparateStickyAndNormal.xml (xml file). Once you selected the file, click the Install Add-on button.
Template Edits: None.
Admin -> Options -> Separate Sticky and Normal Threads