Seelen UI

Seelen UI 2.8.8

Fully Customizable Desktop Environment for Windows.

  • By Seelen
  • Open Source
  • Updated Oct 7, 2026
Download for Windows

About Seelen UI

Fully Customizable Desktop Environment for Windows.

What's new in 2.8.8

security

  • resource URIs could send the session token to arbitrary hosts.
  • out of bounds read inside explorer.exe on malformed tray messages.
  • a busy app could freeze the native taskbar and tray icons.
  • third-party widgets could change settings, kill apps or control windows without asking for permission.
  • IPC pipes accepted connections from other users of the machine.

Full release notes »

Technical details

PublisherSeelen
Version2.8.8
Release date2026-10-07
LicenseAGPL-3.0
Installer typemsix, nullsoft
Architecturex64, arm64
Package IDSeelen.SeelenUI

Links & install command

Install Seelen UI from the command line with Windows Package Manager (winget):

winget install --id=Seelen.SeelenUI -e

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Older versions

  • 2.8.7
  • 2.8.6
  • 2.8.5
  • 2.8.4
  • 2.8.3
  • 2.8.2
  • 2.7.1
  • 2.4.11
  • 2.4.4.0