user upgrade

can someone help me with this, how do i add user upgrade to my forum?

XenFun submitted a new resource: [Xen-Soluce] User Upgrade Duration - Define several durations for a subscription Read more about this resource...

Description : This add-on allows you to define several durations for a subscription. Feature summary : Options : View duration Add duration : Cost Length : Permanent For length Display order

XenFun submitted a new resource: [Xen-Soluce] User Upgrade Pro - Allow you to let users renew their upgrades before it expired, send email/conversation with notice Read more about this resource...

Description : This add-on allows you to let users renew their upgrades before it expired, send email/conversation with notice once expired asking them to renew and more. Feature summary : Options : Invoice logo Company detail Footer block Username Enable field in the invoice Send...

XenFun submitted a new resource: [DBTech] DragonByte User Upgrade Coupons - Create powerful coupons that can be applied to user upgrades. Read more about this resource...

DragonByte User Upgrade Coupons is a powerful tool for incentivizing people to sign up for user upgrades. Coupons can be limited to individual user upgrades, and even be given different values for different user upgrades. Fully supports recurring subscriptions, allowing users to be...