# macOS 10.13 High Sierra - 32 vs 64 bit screensavers

**URL:** <https://forum.iscreensaver.com/t/macos-10-13-high-sierra-32-vs-64-bit-screensavers/587>\
**Category:** General Discussions\
**Created:** [April 12, 2018, 6:30pm UTC](https://forum.iscreensaver.com/t/macos-10-13-high-sierra-32-vs-64-bit-screensavers/587 "2018-04-12T18:30:38Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![iScreensaver](https://forum.iscreensaver.com/user_avatar/forum.iscreensaver.com/iscreensaver/32/24_2.png) [@iScreensaver](https://forum.iscreensaver.com/u/iScreensaver)\
**Post date:** [April 12, 2018, 6:30pm UTC](https://forum.iscreensaver.com/t/macos-10-13-high-sierra-32-vs-64-bit-screensavers/587/1 "2018-04-12T18:30:38Z")

</div>

Starting today, versions of macOS 10.13.4 warn about 32 bit applications.

Please read the tech note: [macOS 10.13 High Sierra - 32 vs 64 bit screensavers](https://iscreensaver.com/help/notes/macOS_64_bit/macOS_64_bit.shtml).

If you have comments or questions, please reply to this post.