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At the present time, iScreensaver Designer 5.2 provides support for macOS 10.13 High Sierra, but there are some functional limitations.

Please read the 10.13 High Sierra Tech Note as well as the Release Notes.

Due to changes made by Apple, iScreensaver Designer version 5.2 does not currently support macOS 10.14 Mojave.

Please read our forum post for the latest updates.

iScreensaver Forums

Support discussions and forums for iScreensaver Designer screensaver software.