Instructions
Press "Win-R" to open the ̶0;Run̶1; application. Type ̶0;%appdata%̶1; into the text box, and then click ̶0;OK.̶1;
Right-click the ̶0;.minecraft̶1; folder, and select ̶0;Delete̶1; from the list of options.
Press ̶0;OK̶1; in the dialog box to confirm your decision to delete the folder.