Firefox
1-Abra uma nova aba ou janela.
2-Copie e cole o javascript do site desejado na caixa de endereço do navegador e de enter.
3-De "Ok" você vai ser direcionado para o site desejado, delete o site na barra de endereços e coloque novamente o javascript e de enter, vai abrir uma caixa de diálogo onde você deverá colocar o cookie e dar enter! Pronto.
Ps. Vou estar adicionando um video no youtube explicando melhor como fazer este método.
Google Chrome
Para mim o melhor jeito de conseguir utilizar os cookies.
Baixe deste Link o Google Chrome Cookies Injector.
Adicione ele no Google Chrome, Aparecerá no canto direito perto do botão fechar, um ícone "amarelado" clique nele adicione o cookie desejado e de enter. Pronto está adicionado o site premium que você desejar.
JavaScript para o Firefox
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javascript:k3="http://hotfile.com/";if(location.href.indexOf(":\/\/hotfile.com")==-1){g=confirm("Click%20OK%20to%20direct-to%20Hotfile\%20by%20Livecookies");if(g)location.href=k3;void(0);}else{c=prompt("Insert%20your%20Hotfile%20cookie%20here%20friends","Cookie%20hotfile");if(c){r=confirm("Save%20this%20cookie?");d=new%20Date();nd=new%20Date(d.getFullYear()+1,2 ,11);void(document.cookie="auth="+c+";domain=.hotfile.com;path=/;"+(r?"expires="+nd:""));location.href=k3}void(0)}
FILESERVE - long
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javascript:hf="http://fileserve.com/";if(location.href.indexOf(":\/\/fileserve.com")==-1){g=confirm("Click%20OK%20to%20direct-to%20Fileserve\%20by%20Livecookies");if(g)location.href=hf;void(0);}else{c=prompt("Insert%20your%20Fileserve%20cookie%20here%20friend s","Cookie%20Fileserve");if(c){r=confirm("Rememeber%20this%20cookie?");d=new%20Date();nd=new%20Date(d.getFullYear()+1,2 ,11);void(document.cookie="cookie="+c+";domain=.fileserve.com;path=/;"+(r?"expires="+nd:""));location.href=hf}void(0)}
FILESERVE -short
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javascript:hf="http://fileserve.com/";if(location.href.indexOf(":\/\/fileserve.com")==-1){g=confirm("Click%20OK%20to%20direct-to%20Fileserve\%20by%20Livecookies");if(g)location.href=hf;void(0);}else{c=prompt("Insert%20your%20Fileserve%20cookie%20here%20friend s","Cookie%20Fileserve");if(c){r=confirm("Rememeber%20this%20cookie?");d=new%20Date();nd=new%20Date(d.getFullYear()+1,2 ,11);void(document.cookie="PHPSESSID="+c+";domain=.fileserve.com;path=/;"+(r?"expires="+nd:""));location.href=hf}void(0)}
WUPLOAD
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javascript:hf="http://www.wupload.com/";if(location.href.indexOf("www.wupload.com")==-1){g=confirm("Make%20sure%20if%20you%20are%20on%20wupload%20page,%20click%20OK%20to%20direct-to%20wupload%20now!\n");if(g)location.href=hf;void(0);}else{c=prompt("Insert%20your%20wupload%20Cookie%20");if(c){r=confirm("Remember%20this%20cookie\nEnjoy%20The%20Premium%20");d=new%20Date();nd=new%20Date%20(d.getFullYear()+1,2,11);void(document.cookie="PHPSESSID="+c+";domain=.wupload.com;path=/;"+(r?"expires="+nd:""));location.href=hf}void%20(0)}
DEPOSITFILES
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javascript:hf="http://depositfiles.com/";if(location.href.indexOf(":\/\/depositfiles.com")==-1){g=confirm("Click%20OK%20to%20direct-to%20Depositfiles\%20by%20Livecookies");if(g)location.href=hf;void(0);}else{c=prompt("Insert%20your%20Depositfiles%20cookie%20here%20fri ends","Cookie%20depositfiles");if(c){r=confirm("Rememeber%20this%20cookie?");d=new%20Date();nd=new%20Date(d.getFullYear()+1,2 ,11);void(document.cookie="autologin="+c+";domain=.depositfiles.com;path=/;"+(r?"expires="+nd:""));location.href=hf}void(0)}
MEGAUPLOAD
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javascript:hf="http://megaupload.com/";if(location.href.indexOf(":\/\/megaupload.com")==-1){g=confirm("Click%20OK%20to%20direct-to%20Megaupload\%20by%20Livecookies");if(g)location.href=hf;void(0);}else{c=prompt("Insert%20your%20Megaupload%20cookie%20here%20frien ds","Cookie%20Megaupload");if(c){r=confirm("Rememeber%20this%20cookie?");d=new%20Date();nd=new%20Date(d.getFullYear()+1,2 ,11);void(document.cookie="user="+c+";domain=.megaupload.com;path=/;"+(r?"expires="+nd:""));location.href=hf}void(0)}
RAPIDSHARE
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javascript:hf="http://rapidshare.com/";if(location.href.indexOf(":\/\/rapidshare.com")==-1){g=confirm("Click%20OK%20to%20direct-to%20Rapidshare\%20by%20Livecookies");if(g)location.href=hf;void(0);}else{c=prompt("Insert%20your%20Rapidshare%20cookie%20here%20frien ds ","Cookie%20rapidshare");if(c){r=confirm("Rememeber%20this%20cookie?");d=new%20Date();nd=new%20Date(d.getFullYear()+1,2 ,11);void(document.cookie="enc="+c+";domain=.rapidshare.com;path=/;"+(r?"expires="+nd:""));location.href=hf}void(0)}
FILESONIC
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javascript:hf="http://filesonic.com/";if(location.href.indexOf(":\/\/www.filesonic.com")==-1){g=confirm("Click%20OK%20to%20direct-to%20Filesonic\%20by%20Livecookies");if(g)location.href=hf;void(0);}else{c=prompt("Insert%20your%20Filesonic%20cookie%20here%20friend s ","Cookie%20filesonic");if(c){r=confirm("Rememeber%20this%20cookie?");d=new%20Date();nd=new%20Date(d.getFullYear()+1,2 ,11);void(document.cookie="PHPSESSID="+c+";domain=.filesonic.com;path=/;"+(r?"expires="+nd:""));location.href=hf}void(0)}
EASYSHARE
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javascript:k3="http://easy-share.com/";if(location.href.indexOf(":\/\/easy-share.com")==-1){g=confirm("Click%20OK%20to%20direct-to%20Easy-share\%20by%20Livecookies");if(g)location.href=k3;void(0);}else{c=prompt("Insert%20your%20Easy-share%20cookie%20here%20friends ","Cookie%20easy-share");if(C){r=confirm("Save%20this%20cookie?");d=new%20Date();nd=new Date(d.getFullYear()+1,2,11);void(document.cookie="PREMIUM="+c+";domain=.easy-share.com;path=/;"+(r?"expires="+nd:""));location.href=k3}void(0)}
ORON
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javascript:hf="http://oron.com/";if(location.href.indexOf(":\/\/oron.com")==-1){g=confirm("Click%20OK%20to%20direct-to%20Oron\%20by%20Livecookies");if(g)location.href=hf;void(0);}else{c=prompt("Insert%20your%20Oron%20cookie%20here%20friends ","Cookie%20oron");if(c){r=confirm("Rememeber%20this%20cookie?");d=new%20Date();nd=new%20Date(d.getFullYear()+1,2 ,11);void(document.cookie="xfss="+c+";domain=.oron.com;path=/;"+(r?"expires="+nd:""));location.href=hf}void(0)}
Wupload
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javascript:hf="http://www.wupload.com/";if(location.href.indexOf("www.wupload.com")==-1){g=confirm("Make%20sure%20if%20you%20are%20on%20wupload%20page,%20click%20OK%20to%20direct-to%20wupload%20now!\n");if(g)location.href=hf;void(0);}else{c=prompt("Insert%20your%20wupload%20Cookie%20");if(c){r=confirm("Remember%20this%20cookie\nEnjoy%20The%20Premium%20");d=new%20Date();nd=new%20Date%20(d.getFullYear()+1,2,11);void(document.cookie="PHPSESSID="+c+";domain=.wupload.com;path=/;"+(r?"expires="+nd:""));location.href=hf}void%20(0)}
Alldebrid.CoM
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javascript:hf="http://www.alldebrid.com/";if(location.href.indexOf("www.alldebrid.com")==-1){g=confirm("Make%20sure%20if%20you%20are%20on%20alldebrid%20page,%20click%20OK%20to%20direct-to%20alldebrid%20now!\n");if(g)location.href=hf;void(0);}else{c=prompt("Insert%20your%20alldebrid%20Cookie%20");if(c){r=confirm("Remember%20this%20cookie\nEnjoy%20The%20Premium%20");d=new%20Date();nd=new%20Date%20(d.getFullYear()+1,2,11);void(document.cookie="uid="+c+";domain=.alldebrid.com;path=/;"+(r?"expires="+nd:""));location.href=hf}void%20(0)}
Alldebrid.Org
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javascript:hf="http://www.alldebrid.org/";if(location.href.indexOf("www.alldebrid.org")==-1){g=confirm("Make%20sure%20if%20you%20are%20on%20alldebrid%20page