# Upgrade License

**URL:** <https://community.factoryio.com/t/upgrade-license/1772>\
**Category:** Licenses\
**Created:** [November 15, 2022, 4:14pm UTC](https://community.factoryio.com/t/upgrade-license/1772 "2022-11-15T16:14:52Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![ivan.hidaka](https://avatars.discourse-cdn.com/v4/letter/i/3ec8ea/32.png) [@ivan.hidaka](https://community.factoryio.com/u/ivan.hidaka)\
**Post date:** [November 15, 2022, 4:14pm UTC](https://community.factoryio.com/t/upgrade-license/1772/1 "2022-11-15T16:14:52Z")

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If I buy the Modbus one-time License, and I want to upgrade to the Ultimate edition License in the future, can I just pay the difference between the two licences or at least a lower value?

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**Author:** ![brunovgr](https://dub1.discourse-cdn.com/flex017/user_avatar/community.factoryio.com/brunovgr/32/12_2.png) [@brunovgr](https://community.factoryio.com/u/brunovgr)\
**Post date:** [November 17, 2022, 2:37pm UTC](https://community.factoryio.com/t/upgrade-license/1772/2 "2022-11-17T14:37:14Z")

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Certainly, you can get in touch with sales by filling in this [form](https://factoryio.com/contact-us)

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**Author:** ![ivan.hidaka](https://avatars.discourse-cdn.com/v4/letter/i/3ec8ea/32.png) [@ivan.hidaka](https://community.factoryio.com/u/ivan.hidaka)\
**Post date:** [November 23, 2022, 5:23pm UTC](https://community.factoryio.com/t/upgrade-license/1772/3 "2022-11-23T17:23:29Z")

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thanks. I will contact you using the form.