Foxit PDF Editor provides three modes (Light, Dark, and Use system setting) that allow you to customize the look (skin) of the software. To change the skin, choose File > Skins, and then select the desired options from the Select Mode drop-down list. If you choose Use system setting, the skin automatically switches to the Light or Dark mode according to the default app mode (Light or Dark) set in your Windows system. When you are in the Light Mode, you can check Colorful in the Select Light Mode Theme group to specify the theme color for your application.
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Foxit PDF Editor for Windows