Log into your WordPress site
When you get to your Dashboard, scroll down the left sidebar to the “Appearance PanelInstall Required Plugi and hover or click on “Appearance”. You will be able to see the sub-menu in the picture below:
Choose “Themes” and you will see an “Add New” button.
Click on it and choose “Upload Theme” after it navigates you to the “Add Themes” page. Click “Browse” and find the SquareRoot zip file location on your desktop.
Now you just have to click Install Now and wait for your theme folder to be uploaded and unzipped. The process might take some time so please be patient.