Simple change of file association program

in Windows 7 When using Windows 7 system, after double-clicking some files, there is a problem of associated program errors. How to solve them? Sometimes after installing some software, they will automatically change the file association. You are more accustomed to old file associations. How do you easily change these situations? Let's take a look at the steps for Windows 7 to change the associated program.
1. Browse to change the associated file location

2. Right click on the file and find “Open with” and select “Default Program” on the left side of the pop-up window.

3. In the "Open with" window, click on "Recommended Programs". If you don't find the program you want to associate, click the hidden arrow to expand the option.

4. If you still can't find the program you want to associate, click on the browse option and select the program.

5. Once you find the program you want to link, please tick "Always select the program to open such files" and click “OK”.

6. After setting, all such files will be opened by the program of your choice. Change the Windows 7 file association program successfully!