.qlr file: how to open it on Windows

2 Windows apps register the .qlr extension. Install one of them to open the file with a double-click.

• 
  QGIS (LTR)

  A Free and Open Source Geographic Information System (GIS)

  Open source 3.44.15 473K ↓ ★ 14.7K
• 
  QGIS

  A Free and Open Source Geographic Information System (GIS)

  Open source 4.2.3 ★ 14.7K

Related guide: Change the default app for a file type in Windows