: Click on the Presets icon (two overlapping circles) in the right-hand toolbar.

: Select your .cube file from your computer when the file explorer pops up.

: Give your profile a name and assign it to a group (e.g., "My Custom LUTs"). Click OK .

: In the "New Profile" dialog box, scroll to the bottom and check the box for Color Lookup Table .

Note: In some versions, you must hold Alt/Option while clicking the (...) to find "Create Profile".

: Hold down the Alt key (Windows) or Option key (Mac) and click the Create Preset icon (the small paper icon with a folded corner).