You download them from your admin panel...Plugins > Download
Or you upload the plugin to your server and use the install from URL option, or you upload it from your hard drive.
Adcycle and the spider (and others) are paid plugins, hence you need to buy them before you can use them.
Or you upload the plugin to your server and use the install from URL option, or you upload it from your hard drive.
Adcycle and the spider (and others) are paid plugins, hence you need to buy them before you can use them.