ZA Pro is a "paid for" version and you have probably been given a key for the TRIAL prog, not much point unless you are going to point your PC in some rather nafarious directions, ZA Free is good enough for the everyday user..
Surface Pro 5 News - release date, UK price, features, specs
Microsoft Surface Studio hands-on review: the iMac killer is here
Best Mac antivirus 2017
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.