Corel discontinued Knockout 2 many years ago. Because it is no longer sold or officially supported, it falls into the category of "abandonware."

Photoshop’s native Refine Edge Brush and Select Subject (powered by Adobe Sensei AI) can isolate hair and transparency with single-click efficiency.

Absolutely not. Most offers for “Knockout 2 v10387 free new” lead to:

When searching online for terms like "knockout 2 v10387 plugin photoshop free new" , you will find numerous third-party file-sharing websites, torrents, and rapid-download blogs.

Open your image in Photoshop. Duplicate your background layer ( on Windows / Cmd+J on Mac) so you are working non-destructively. With the duplicated layer selected, open the Knockout 2 interface via the Filter menu. Step 2: Draw the Inside Object Path

The version number you mentioned (10.387) suggests that you're looking for a relatively recent update of the plugin. However, I couldn't find any official release notes or announcements from the plugin's developer (Redynamo) about this specific version.