Yes, just send your custom request via https://shop.proxmox.com/contact.phpCancellation of a Proxmox subscription
You can cancel your Proxmox subscription at any time. A billing cycle is one year from purchase...Downgrade
Downgrades are not possible during the one year subscription period. If you want to downgrade...How can I purchase a Proxmox Offline Mirror key?
If you want to purchase a subscription key for the Proxmox Offline Mirror tool, please contact usPayment methods - How can I buy?
At checkout, you can choose your preferred payment method: Bank transfer Credit card PayPal...Renewal
If you purchased your subscription via the Proxmox online shop at https://shop.proxmox.com, we...Upgrade - How can I upgrade my subscription level and/or CPU number?
You can easily upgrade from one subscription level to a higher one during your current...VAT ID is not accepted
If your VAT ID is not accepted during the registration process, this might be due to a time out...Will I be charged VAT?
We are required to collect VAT charges from our customers based on the information you make...