How to Delete Duplicate Files on PC or Mac

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1Deleting Duplicate Files with CCleaner

2Deleting Duplicates with Gemini 2 for Mac

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This How.com.vn teaches you how to delete duplicate files with Gemini 2 and CCleaner. CCleaner is free software that will clean up unnecessary files on your computer. It can be downloaded for both PC and Mac users. Gemini 2 is available for Mac computers only, but it is another simple tool you can use to delete duplicate files.

Steps

Method 1

Method 1 of 2:

Deleting Duplicate Files with CCleaner

1. 
   1
   Navigate to the CCleaner Website.
2. 
   2
   Download and install the free version. You can purchase the CCleaner Pro version if you want to clear up more than just duplicate files.

   • On a Mac you'll double click the DMG file to install.
   • On a PC you'll want to double click the installer.
3. 
   3
   Open CCleaner and click on the Tools tab. This tab will be on the left with a wrench icon.
4. 
   4
   Click on Duplicate Finder Tab. It will be on the left navigation menu.
5. 
   5
   Adjust your search criteria. The Duplicate Finder will have criteria selected by default, but if you want to customize it even further you can.

   • You can search in specific drives or look for duplicates by file size, name, or content for example.
6. 
   6
   Click the blue Search search button to start the program. There will be a blue progress bar to help you keep track of when the test will finish.
7. 
   7
   Check off each duplicated item you want to delete. If you want to see where the item is located right-click on it and select Open File Location.
8. 
   8
   Click the Delete Selected button to delete your duplicated files.
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Method 2

Method 2 of 2:

Deleting Duplicates with Gemini 2 for Mac

1. 
   1
   Visit the App Store to download Gemini 2. You should be automatically signed into your Apple account. If not, sign in now before continuing.

   • Type Gemini 2 in the App Store's search bar and press enter if you can't find it. It should be the first app that comes up.
2. 
   2
   Click on View in Mac App Store.
3. 
   3
   Click on Install to download Gemini 2 from the App Store.
4. 
   4
   Open Gemini 2 by clicking on the icon within your applications folder. A gray window with a large circle and arrow will appear.
5. 
   5
   Drag folders that you want to scan into the circle. You can also click the plus + button to open folders.
6. 
   6
   Click Scan to begin searching for duplicates. When the scan is done the circle will turn green.
7. 
   7
   Select View Results to see what files are duplicates on your Mac. They will be listed on the right and under “Sort by Size”.
8. 
   8
   Click Auto Select to select all duplicate files on your Mac. Alternatively, you can also choose individual files by

   

   checking off the empty box

   

   next to them.

   • Selected files will also get a red dot next to them.
9. 
   9
   Click Delete Selected to review what you have selected.
10. 
    10
    Click Remove to delete the duplicate files off of your mac. The button is red and located in the bottom right-hand corner of the window.
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