Method 1:

Launch your WeChat App and tap the 「+」 button at top right-hand corner.

Choose 「Add Contacts」, then 「Official Accounts」 and search for 「MacaoMITIC」.

Tap the 「Follow」 button.

Method 2:

Launch your WeChat app and tap the 「+」 button at top right-hand corner, then tap 「Scan」. Scan the QR code below