If your Windows computer fails to recognize or open the file, right-click on the . jar file, point to “Open With,” then select “Java. ” If using Linux, right-click on the file, then select “Properties. ” Place a checkmark next to “Allow executing file as a program,” then close the window. Then, right-click in your Downloads folder, select “Open Terminal,” and type java -jar .

Windows: C:/Program Files/minecraft/mods Mac OS X: C:/Library/Application/minecraft/mods Linux: C:/Library/Application Data/minecraft/mods[2] X Research source