How to compress video without loosing the quality ?

Here, we will be using VLC media player so if you don't have please install it.
Follow the given steps to compress the video without loosing quality:-

Step 1:
Open VLC media player. Click on menu "media" at the leftmost corner of  menu bar. Then select "conver/save.." option from the drop down menu.

Step 2:
After performing step 1, a window will display as given in figure below. Click on "add" button and browse and select the video you want to compress. Then click on "Convert/save" button.

Step 3:
You will see a window as shown in figure below. Click on "Browse" button and select the destination location where you want the video to be saved after compression is completed. Finally click on "Start" button for the compression to start.

Step 4:
You can see the window as given below. Wait until compression is completed. Time consumed depends on the size of your video. When the compression is completed you can see the size of your original video reduced by approximately more than 5-6 times.

Finally, your job is completed.