Delete Unnecessary Files of Windows 10 Safely and Quickly

Junk files are temporary files which are created by the computer after running a program or performing specific tasks, including Cookies, Downloaded Program files, Thumbnails, Recycle bin, etc. The unnecessary files will slow down your operating system to crawl and occupied your storage space. (More details: Why is my computer running so slow)
Cleaning the junk files can improve your computer performance, release your storage space as you don't have to get trouble with the computer. The following ways may help you.

Way 1: Empty the Recycle bin

On your desktop, right-click the icon Recycle bin and select the option Empty Recycle bin, or you can double-click the icon to enter.

Then get rid of the files one by one. The Recycle Bin stores all the files you've deleted from your computer. Unless you clean them regularly, or the junk files will remain in your computer for a long time.

Way 2: Use command prompt

Step 1: Press windows+ R keys in the same time, and then type cmd in the Open field to run command prompt as administrator.

Step 2: Type del/q/f/s %temp%\* and hit Enter.  Command Prompt will delete all temporary files.

 

Way 3: Use professional tool of iSunshare System Genius

It is professional and multifunctional that the cleanup tool can efficiently clear junk files and invalid registry entries, release more system disk space with one click. First, you need to download the clean tool and install it on your computer.

Here is the link for you to get the tool safely: system-genius

Step 1: You will come to the Home page when you launch the cleaner tool. Click the Scan button in the Home page to make an overall scanning for your computer. Scanning the computer will take a while if there are a large of junk files.

Step 2: Then you will be prompted Scan completed and the scan results will be displayed on the screen. Click the Clean button. It will clean up all the selected scan results.

Step 3: Click the OK button to exit after the cleanup is completed.

Furthermore, you can also clean junk files and invalid registries separately. Their operating steps are similar to the above. This tool can remove the junk files in a simple and safe way.

 

Way 4: Use command of  "%temp%"  to get rid of temporary files

Step 1: Press windows+ R keys in the same time.

Step 2: Type %temp% in the Open field and then press Enter key. The temp folder will be shown to you.

Step 3: Select all the .tmp items, right-click and select the option Delete.

Removing the temporary files from time to time can save your storage space if you are running low on hard drive space.

 

Way 5: Use professional tool of iSunshare DupFiles Genius

To free up space and speed up your computer, you can scan and delete a great number of duplicates such as videos, photos, and documents with iSunshare DupFiles Genius.
To get the tool: dupfiles-genius

Step 1: Launch the software and click the Add button on the bottom right corner to select a folder or drive for scanning. After that, click the Next button.

Step 2: Customize the scanning strategy: you can configure the scan settings to get a more accurate report. After that, click the Start scanning button to continue.

Step 3: Choose the types you want to scan and click the button Start scanning.

Step 4: After the scanning, iSunshare DupFiles Genius will list all duplicate files based on your scanning settings. Then you select the target files and decide to delete them, you can click the Delete button at the bottom. A box will pop out and ask for your confirmation. Click Yes to remove those redundant files.

 

Way 6: Run Disk Cleanup app

Step 1: Type disk cleanup in the search box on the taskbar, and select the result of Disk Cleanup.

Step 2: Select the drive you want to clean and click OK.

Step 3: A window will be opened, choose Clean up system files. Wait for a while and you will back to the window shown you before.

Step 4: Clicking the files you want to delete from the list. The number in the right of the item means the size of the files. After that, click OK to delete the unnecessary files.

 

Way 7: Use storage sense

Step 1: Click windows on the taskbar or press windows key, and then choose the icon settings to open the window. Press the shortcut win + I in the same time also can open the window quickly.

Step 2: In the window, select the System item first. And then select Storage item on the left, then toggle the switch to turn on the button and click on Change how we free up space automatically.  Because of difference of the version of windows, if the item is not shown, choose the item Configure storage sense or run it now.

Step 4: You can choose the frequency you want to clean the junk files automatically and tick the item Delete temporary files that my apps aren't using on the next page.

 

Not the storage space will be saved but also the performance of the computer will be improved if you delete the unnecessary files regularly. Try the ways to clean the junk files from your computer!