Launch The Sims 4 , go to Game Options > Other , and ensure "Enable Custom Content and Mods" is checked. You must restart the game for changes to take effect. About the Creator: Camuflaje
Click the "Download" button on the TSR page. If you are a VIP member , you can use the TSR CC Manager for an automated installation. Adele Long Sleeve Short Dress by Camuflaje at TSR
Drag the downloaded .package file into the Mods folder. Launch The Sims 4 , go to Game