Hard drives icons quick customization
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Photoshop save icons http://iceflowstudios.com/2011/tutorials/photoshop-save-icon-ico-files/
256x256-8bit- Change in : Image - Modes
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Plugin for photoshop http://telegraphics.com.au/sw/product/ICOFormat#icoformat
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Installing a plugin : https://designshack.net/articles/software/how-to-install-photoshop-plugins
C:\Program Files\Adobe\Adobe Photoshop 2021\Plug-ins