Simply unrar it into your Documents/Electronic Arts/The Sims 4/Mods folder and you're done! I would recommend 7-zip to unzip/unrar your packages! Download Here At this point in time, it is not possible to have the censor appear for only certain events (The blur for showering and the blur for toilets is exactly the same.
If your sim is showering/swimming in clothes, it may have something to do with their traits/other mods. This mod does not affect any sim behaviours. If you want your sims to be nudists, you will have to download nude clothes. What this mod DOESN'T do! This mod does not allow you to make your sims naked anywhere other than they normally would be. The original mod, prior to toddlers, was a simple edit of the same DATA resource as above but in the ClientFullBuild0.package. It should not conflict with anything, as the censor file is a standalone file within the package. This mod is a simple edit of the DATA resource 0x545AC67A 0x00D6FA33 0xDEAD4915C9C6C0D8 file in the ClientDeltaBuild0.package.