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When you purchase a monthly or annual subscription to Anaqsim you will receive a license code, via email, that is valid for either 1 month or 1 year from the date of purchase. Each time your subscription is renewed, the license will be extended by either a month or a year.  You can activate this license on any single computer. If you subscription is cancelled, your license will continue to remain valid for the period that has been payed, and will then revert to the ‘Demo’ un-licensed version.

If you only want an Anaqsim license for a single month or single year, then it is possible to cancel your subscription immediately after receiving your license code (or at any time thereafter). Your license code will remain valid for the full remaining period that you have paid for. To cancel a subscription – log in to your Anaqsim account and view your current subscriptions. There should be an option there to cancel your subscription. If you are paying via PayPal, then there is also the option to cancel through your PayPal account.

If your billing details have changed, then you can log in to your Anaqsim account, and view your current subscriptions. From there it is possible to update your billing details. If you have signed up to a subscription using PayPal, then you will need to updated your billing details within PayPal.

Your Anaqsim license will only cover a single computer.  It is however permitted for multiple users to remote desktop to that single computer as long as only one user is active on the computer at a time.  We currently do not offer a network licensed version which would  allow a single license to be shared non-concurrently between several machines.

If you need to move your Anaqsim license to a new computer, it is possible to de-activate your existing license on your original computer, and then re-activate it on your new computer. The expiry date of the license will remain the same as previously.

If you have run a model on a license version of Anaqsim, and then saved the solution file, it is possible to open the Anaqsim model and saved solution on an un-licensed Demo version of Anaqsim and continue to review and analyse the results, but not re-solve or edit the model. This means if you need to update a plot, or check an input several months after creating your model, you do not need to re-subscribe for an Anaqsim license.

We currently do not offer academic pricing, however the demo version of the software, which is typically sufficient for the purposes of teaching and using Anaqsim within course modules, is licensed for academic use. If you would like to discuss your particular academic use case further with us, please do get in contact.

Anaqsim is a Yellow Sub Hydro Company, registered within the UK.  Therefore all purchases within the UK will be liable for UK VAT.  Purchases outside of the UK are not liable for UK VAT, and other taxes will not be added. You may however be required to account for the Non UK VAT/GST on a reverse charge basis depending on the tax regulations within your own country.