In the video you can see how to How To Purchase BNB using Houbi Exchanger
To register you need to download and install the official App. Choose the App according to your device.
To register on 1move you must have a referral code. Here are two codes that you can use to sign up. Choose one of the codes and enter them in the app when you are signing up.
Referal code:
97498473
93324853
To register, preferably use a Gmail email account. Other email providers may not work correctly.