Double-click on the installable file that you just downloaded, which will show the following screen:

Click on the Next button and accept the terms of use and again click Next, which will bring up a screen as shown in the following screenshot to select the type of setup:

Select the radio button next to Complete, again click on Next, and then click on Install, as shown in the following screenshot:

This will start the installation of MySQL and after it is done it will show a couple of screens on which you have to click Next again:

Once installed, it will bring up the following screen, which will ask for configuring MySQL server:

Make sure you have ticked the checkbox against Configure the MySQL Server Now and then click on Finish, which will show up the starting screen. Click on the Next button to reach the following screen:

Select Detailed Configuration...