How did I edit videos? Even thumbnails?

Currently using on my Windows PC and my phone: Kdenlive (Windows PC), GIMP (Windows PC), Canva (Windows PC and Phone), InShot (Phone), and CapCut (Phone, absent from Windows PC), PowerPoint (Windows PC Only), OBS Studio (PC), XRecorder (Android only), built-in screen recorders for Android and iOS/iPadOS, Audacity (PC)

Absence right now: Wondershare Filmora 11 (Windows PC), Sony Vegas Pro 18 (Windows PC), VSDC Video Editor (Windows PC), Bandicam (PC), ZDSoft Screen Recorder (PC), Camtasia (PC)

COMING SOON: DaVinci Resolve (Windows PC/Mac), iMovie, and Final Cut Pro (Mac), Adobe Premiere Pro (Windows PC or Mac), Adobe After Effects (Windows PC or Mac), Adobe Photoshop (Windows PC or Mac)