installation issues - license

tried to use my downloaded license and get this error

MathWorks Licensing Error 21

Unable to find a license for this release of MATLAB.

Activate your license to get a new license file.

For help with this issue, see this support article:

https://www.mathworks.com/support/lme/21

Details for Support

Feature: MATLAB

License: /Users/proca/Library/Application Support/MathWorks/MATLAB/R2025b_licenses/license_proca-mac2.roam.internal_970284_R2025b.lic:/Applications/MATLAB_R2025b.app/licenses/license.dat:/Applications/MATLAB_R2025b.app/licenses/*.lic

Error Code: -21.2

[Torsten]

Did you read

https://www.mathworks.com/support/lme/21

?

It says that your licence file was generated for an older release than the one you downloaded.