GIMP remains important because there is a large group of Windows users who need more than a simple image editor but do not want to commit immediately to a commercial creative ecosystem. For layered raster editing, compositing, cleanup, and practical graphics work, GIMP still offers a serious desktop environment rather than a toy editor.
It is especially suitable for open-source users, students, hobby designers, web operators, and anyone who needs to retouch images, build simple graphics, or edit layered assets without paying for a subscription-first design suite. If your work depends on actual image editing rather than just viewing or quick markup, GIMP can cover much more ground than lighter tools.
What makes it worth keeping is depth. Layers, masks, selections, brushes, filters, and export control give users room to do real work, especially once the basics begin to feel familiar. It is not just free; it is substantial.
The tradeoff is that GIMP is not the fastest route for very simple tasks, and its interface and workflow style may feel less polished or intuitive than some commercial alternatives. Users coming from lightweight editors should expect an adjustment period before the power feels comfortable.
My recommendation is to use GIMP when you genuinely need desktop image-editing capability on Windows and want a free tool that can grow with you. Start with small practical edits, learn layers and selections early, and treat it as a serious editor rather than as a one-click shortcut app.