Hi, if you want to try something for Blizzard here are some free pass key.
For Warcraft
Go to www.warcraft.com/guest and use:
8729D4-29X7-KFRG4V-YF2N-ECXEM7
For Starcraft
Go to www.starcraft2.com/guest and use:
B9BDCV-PT88-FWBV9T-6PZR-2NWFY8
For Diablo
Go to www.diablo4.com/guest and use:
K8RXCN-Z87P-YPDZCE-XB7D-PBW26V