Officially, no. Mockup Baker was built natively for iOS (iPad/iPhone). There is currently no official desktop version published by TastyCupcakes for Windows or macOS.
If you see a website offering a "Mockup Baker Desktop .exe" or "Mockup Baker for Mac.dmg," you are likely looking at one of two things: mockup baker desktop app download free
The developer, TinyStellar (formerly Mockup Baker), allows a no-credit-card-required trial. Officially, no
If you want to get started without spending money immediately, follow this step-by-step guide. If you see a website offering a "Mockup Baker Desktop
Often, software review sites partner with developers to give away 100 free licenses during a product launch. Follow design deal subreddits (like r/mockups) or Humble Bundle. Occasionally, Mockup Baker is included in "Design Software" bundles for a pay-what-you-want price (as low as $1).
Generally, no. Most reviews confirm that the trial exports are clean. The limitation is usually a "14-day timer" or a limit on saving projects (you can keep exporting images, but you cannot save the 3D scene file to edit later).