Navigate to the Invest tab
Select the Mirrored Asset that you wish to purchase
Enter in the amount to purchase (in UST), and click Next
Review the Price, Amount, Fees and Total Cost. If you need to change the order quantity, click Reset Buy Order and enter the new quantity.
Click Confirm to place the order
Review the executed Buy order quantity and click Done
To verify the newly purchased Mirrored Asset quantity in your wallet, scroll down to Invested Detail to view the Amount and Current Value etc.
The balance can also be viewed under the listing of mAssets on the Wallet page