There are no restrictions in number of files in generated screen saver – it depends on CPU power and configuration you are working on.

Image size cannot exceed 3840×2160 pixels. Please resize your image so that its width does not exceed 3840 pixels and its height does not exceed 2160 pixels.

Screen saver file size is limited to 2 GB (2000 MB).

If using videos, we recommend creating .exe installer instead of .scr file. Otherwise screen saver extracts video to temporary folder every time it runs.