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 service (Ex: G Suite)
4. Click on the Services name under Product/Services
5. Scroll down to Number of Users section and click on Upgrade / Downgrade link
6. Adjust the slider to the total number of users after upgrade that you need
7. Click on Continue button