1. Login to your Readyspace Customer Portal
2. Click the Services drop down menu at the left bar of the screen
3. and select the appropriate subscription (Ex: WebSpace SG, Office Mail SG)
4. Click on the Services name under Product/services.
5. Click on Upgrade / Downgrade
6. from Change Plan: drop down menu, select the plan you want to change to
7. Click on Continue button
8. Next Page you will see billing summary and you can choose payment method here.
9. Click Submit