Merriam-Webster has required encryption of the OTCWL2014, SSWL2015 and OSPD5 lexicons within Zyzzyva. In order to support this encryption, NASPA Zyzzyva has built-in deadlines, as follows:
Version 3.0.3 - this version will cease to work on May 1, 2015. Please upgrade to the latest version prior to that date.
Version 3.0.4 - this version has two deadlines built into it, as follows:
* when you claim a license for a protected lexicon, the license will remain in effect until the expiry date of your NASPA membership at that point in time. When you later renew your NASPA membership, you should update the license to extend the deadline. You can manage your license from the Tools --> Manage Licenses menu in the program.
* periodically, the program will require the ability to check-in with the NASPA server and activate the license (for general users, this lasts one month, with an additional one-month grace period). If the check-in is not performed, the program will only allow the protected lexicons to be used for word judging, until such time as the check-in completes successfully.
Obtaining a license and activating the license with the check-in process require internet access. If you need to install the protected lexicons on a machine without internet access, please contact [mailto:info@scrabbleplayers.org info@scrabbleplayers.org] for information about off-line activation.
* [[NASPA Zyzzyva Windows Installation]]
* [[NASPA Zyzzyva Linux Installation]]
Please note that as of May 6 2015, Norton Antivirus has incorrectly flagged Zyzzyva as suspicious. As such, Norton users must train the antivirus software to ignore the folder where Zyzzyva lives (which is either C:\Program Files\NASPA Zyzzyva 3.0.4 or C:\Program Files (x86)\NASPA Zyzzyva 3.0.4, on Windows). Here is a good summary of how you to do so: [http://antivirus.about.com/od/securitytips/ht/excludefilesfromnorton.htm http://antivirus.about.com/od/securitytips/ht/excludefilesfromnorton.htm]
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== Older Versions ==
; [[Zyzzyva_303|NASPA Zyzzyva 3.0.3]]
: a time-limited test release that expired in May 2015
== External links ==