How can I get free installation key to activated R2018b matlab?
MATLAB: Free activation key for R2018b
activation key
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Mathworks has never offered a free version.
There was a 4.something version of MATLAB included with an old Prentice-Hall book, but you needed to buy the book. Mathworks has offered some individual MATLAB licenses as prizes for occasional contests.
Mathworks has historically (and perhaps might still) offered 8 month or 1 year student licenses, but those had to be paid for.
Some universities have offered students academic licenses under Total Academic Headcount licenses; those might have expiry dates. Someone has to pay for those, such as indirectly through student fees.
MOOC courses might include a time-limited MATLAB for people who pay for the courses.
All student licenses are valid only during the time the student is enrolled at a degree-granting institution (or secondary school.)
Mathworks offers personal license under the Home License program. Those are more expensive than student licenses but much less expensive than commercial licenses. Those licenses may not be used to earn income.
Yes, you need to associate an email address to your MATLAB Central account to be eligible to download a trial release. Trial releases are a sales strategy, and Mathworks would want to be able to send you sales information about the trial.
However, trial releases are not available for versions that old, as mentioned for dbp. Trial releases for anything before the most recent release have to be processed through Mathworks Sales, which would very likely want an email address.
As mentioned by dbp, Standard and Education licenses perpetual licenses, or current Standard or Educational term licenses, entitle you to use any previous MATLAB release for the duration of the term. It is not entirely clear whether Home licenses are entitled to use MATLAB releases from before Home licenses were created. It is not clear whether Student licenses are entitled to use previous releases, but the guideline for those has generally been that if you can get a copy of the old installer than you can use it with your Student license.
Installation of licenses from before R2011a may require the assistance of Mathworks Support as those had a different license key setup.
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