Step 2: Download Swift Performance
After checkout, you will be redirected to My Account area. You will find your subscriptions. If you have an active subscription you can download the plugin ZIP file.
Step 3: Upload the plugin ZIP file
Login to WordPress admin on the site where you would like to install Swift Performance. Then go to Plugins > Add New
Click to Upload button at the top of the page, then select the downloaded ZIP file and click to Install Now button.
Step 4: Activate Swift Performance
Click to Activate to start the Swift Performance Setup Wizard.
Step 5: Setup Wizard
First run the autoconfig, it will detect server software, other plugins and settings and configure Swift. Of course once it has been finished you can tweak the settings to improve the results.