# Changes between Version 53 and Version 54 of InstallingFACT++

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Timestamp:
Nov 7, 2019, 9:09:22 AM (11 months ago)
Comment:

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 v53 }}} To install FACT++, it is rcommended to have a working ROOT environment. For the installation of ROOT, plese refer to InstallingROOT. Before you run *cmake*, please make sure that your root environment has been properly initialized. If you have root-config in your path (or root -b starts up properly) this is usually not necessary. In any case, if it is required, you should find cmake complaining about missing root. If you have to initialize the root environment or switch to a different root version call *thisroot.sh*, for example: {{{