The following procedure will guide how to upgrade your plan, like changing your current monthly plan to an annually plan. If you wish to downgrade your current plan, saying annually to monthly subscription, you will need to cancel your current active subscription, let it expire until the end of your contract, and then purchase the monthly plan.
1.Login your account on our official website www.foxit.com and select My Orders.
2. Got to subscription management then you can find options under each subscription plan for you to purchase additional subscription licenses , upgrade current subscription plan from Foxit PDF Editor to Editor pro , or change from monthly plan to annually plan.
purchase additional subscription means to purchase additional subscription licenses.
upgrade means upgrade current plan from Foxit PDF Editor to Editor pro
switch to annual billing means change from monthly plan to annually plan
3. Review and confirm with place order to complete subscription plan change.