The "backgrounds".ONPreset includes Extras for background replacement.
Step 1. RIGHT CLICK ON THE .ONPreset file > OPEN WITH > ON1 Photo 10 (and ON1 Photo RAW).
Step 2. ON1 Photo 10 (and ON1 Photo RAW) will launch and you will receive a "do you wish to install" message. Click Yes.
Step 3. After the import process complete you will receive a confirmation. Click Close
Step 4. Where to find the Backgrounds
- The Backgrounds will appear in Layers under Extras > My Extras > Backgrounds > "name"