how to protect a folder with password in windows 7

comment faire pour proteger un dossier par mot de passe  ?
 comment faire pour proteger un dossier ?
how to protect a folder with password ?

How to password protect folders  ?

how to protect a folder with password in windows 7 how to protect a folder with password in windows xp
how to protect a folder with password in windows vista
how to protect a folder with password in windows 

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