|LabVIEW 2016 Help|
|LabVIEW 2017 Help|
|LabVIEW 2018 Help|
|LabVIEW 2019 Help|
|LabVIEW 2020 Help|
When you upgrade to a new version of LabVIEW, you must install not only the new development system but also modules, toolkits, and drivers that are compatible with the new version.
To ensure that custom controls and VIs you created in the previous version of LabVIEW are available to VIs in LabVIEW 2018, copy files from the labview\user.lib directory in the previous version to the labview\user.lib directory in LabVIEW 2018.
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