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# click the Menu # Hover the mouse cursor over the Preferences icon under "All Applications" <small><small>Instructions for older versions of mint before 19# click the Menu and Hover the mouse cursor over the Preferences icon under "All Applications" Note: if the '''Configure gear icon is grayed out''' then you have to click the plus [+] button on the bottom of the Applets dialog window. For some reason "Window List" although present is ''not fully installed?'' or apparently something to that effect. Clicking the plus button causes the configure gear icon to become available.Note: if the Configure gear icon is grayed out then you have to click the plus [+] button on the bottom of the Applets dialog window. For some reason "Window List" although present is ''not fully installed?'' or apparently something to that effect. Clicking the plus button causes the configure gear icon to become available. </small></small> Instructions for newer versions of mint including and after 19# click menu -> Preferences -> Applets # Locate "Grouped window list" and if the gear is available click it (settings)# In the "Grouped window list" applet click the "Thumbnails" tab/button# Disable slider for "show thumbnails" Note: Verified on Linux Mint 19.2 Mint 19.2 Cinnamon 4.2.3