Upgrading an existing csXGraph licence

csXGraph is sold as either a single user, up to 5 user or site licence. You can upgrade the number of users here simply by paying the difference between licence types. There are 3 possible upgrades depending on the licence you have and the licence you want. If in doubt, please ask.

To upgrade an existing licence follow the steps below:

  1. Select the required upgrade. The licence agreements are available for clarification.
  2. Follow the correct link below to begin the credit card payment process. The transaction will be processed by PayPal. You do not need a PayPal account to pay by credit card.
  3. You will be asked for your country, which is required to determine whether VAT should be added to the price.
  4. You will be transferred to the PayPal secure server to complete the process.
  5. Enter your name and email address when asked. You will be sent an email confirming that your licence is upgraded. Please take care to give the correct email address.
  6. The OCX file supplied with your original licence does not need changing.

We accept payment online by credit card. If this method is unsuitable, we may be able to offer an alternative such as a bank transfer - click here for more details.

Upgrade type Cost to upgrade Read licence Buy upgrade
Single to 5 User $30 Single   5 User Upgrade Now
Single to Site $70 Single    Site Upgrade Now
5 User to Site $40 5 User    Site Upgrade Now

All prices shown are U.S. dollars but GBP and EUR are available when paying by credit card.

Value Added Tax (VAT) is charged to UK customers at 20%. Customers outside the UK and the European Union (EU) are not charged VAT. Business customers in the EU are not charged VAT if they provide a valid VAT number. Private customers in the EU are charged VAT at their local rate.

These upgrades are only available if you have already bought a single or 5 user licence for csXGraph. Click to buy csXGraph.

Note: Refunds can only be made at the discretion of the Chestysoft management.

If there are any problems with the purchase process, email: sales@chestysoft.com

For information - Chestysoft is based in the United Kingdom. VAT Reg. No. 826 0921 36.

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