To invest in the Vanguard FTSE Developed Markets ETF, you will need to open a brokerage account with a firm that offers ETF trading. There are several different brokerage sites/apps, to choose from, on which VEA is tradable. You can also try to invest with online brokerage platforms such as eToro or others. Below is a short guide on how to do so:
Register an account with eToro.
Fill in all the required forms with your personal and professional details.
Share your ID scan to get verification by the platform.
Transfer funds to your eToro account.
Search and buy VEA through the platform.