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Drain0 has been released with a somewhat unique licensing policy.
Depending on the exact licensing option chosen for purchase, you will receive one or more serial numbers for using Drain0. Each serial number is meant for deployment on a single machine running EIMS or EIMS X. Standard license purchases cover a full year of software updates including the normal usage of the software forever.
The serial number for each installation of Drain0 should be copied into the Drain0 preferences document. The default preferences document that is created by Drain0 when EIMS is first launched has the last parameter in the document for use with the serial number. Merely pasting the serial number into the preferences document is all that is required.
Each serial for Drain0 has an expiration date that is encrypted and encoded within it. This is the expiration date for the serial. Any and all versions of Drain0 released up to the expiration date of a serial can be used to enable the functionality of Drain0. Once a particular version of Drain0 is enabled with a valid serial, regardless whether the serial number is actually expired or not, will allow the particular version of Drain0 to operate forever without any further license upgrades or purchases required.
If future versions of Drain0, versions released after the expiration of your particular serial, want to be used, an upgrade purchase of the Drain0 license is required. Upgrades to Drain0 licenses are always available from Deep Sky Tech. at a reduced price when the licensing is kept continuously current.
On average, for the foreseeable future, a new release of Drain0 should be available approximately once a calendar quarter. As with any software development, this obviously may change as circumstances may dictate.
Keeping Deep Sky Tech. informed as to the features and functionality you would like to see in future versions of Drain0 is the single best way to promote the continued use and support of the product. Please see the Deep Sky Tech. web site for information about current and future releases of the Drain0 filter.
The pricing for the different options available for purchasing Drain0 are as follows: