Subject: How to do AI rotoscoping subject isolation in CapCut Pro for Windows Desktop version 9.2.0.3931 Good day from Singapore, On the CapCut Pro home page, click "Create project". On the upper left panel, on the Media tab, on the left hand menu Import, Click Import. Import ALL of your 4K video clips. Slowly drag video clips one by one to the timeline. On the timeline, click the individual video clip you want to edit. You cannot select all of the video clips all at once. That's why you have to drag video clips to the timeline one by one. You need to CLICK on the individual video clip. Then on the upper right panel, click Video > Remove BG > Custom removal. You need to click on Custom removal. For brush size, you can keep at 20 or change accordingly. Click Brush and paint all over the female model you want to KEEP in the 4K video. Click Eraser and paint all over the subject you want to DELETE or REMOVE in the 4K video. Click Apply. You need to click Apply. After t...