Updated:

For those new to Reaper this is an easier way to install/update ReaTrak.
To Show Reaper Resource Path
Options > Show REAPER Resource Path in finder/explorer

1. Reaper > Options > Preferences > General > Export Configuration check all boxes and Save as backup configuration !!!!

2. Reaper > Options > Preferences > General > Import Configuration ReaTrak_xxx.ReaperConfigZip (you can copy it to REAPER\Configurations folder first)

3. Reaper > Actions > Show Action List > Section> Main
Import > REAPER\KeyMaps\ReaTrak Scripts.ReaperKeyMap

4. Reaper > Actions > Show Action List > Section> Main
Import > REAPER\KeyMaps\ReaReaTrak Custom Actions Required (Main).ReaperKeyMap

5. Reaper > Actions > Show Action List > Section> Midi Editor
Import > REAPER\KeyMaps\ReaTrak MIDI Editor.ReaperKeyMap

6. Reaper > View > Toolbar Docker add or change toolbar from REAPER\MenuSets
right click a toolbar tab > Open toolbar > 14,15 or 16
right click the opened toolbar tab > Customize
in the drop down top left select the associated toolbar 14,15 or 16
at the bottom right Import >
ReaTrak color icons toolbar 14 medium.ReaperMenu
ReaTrak color icons toolbar 15 small.ReaperMenu
ReaTrak color icons toolbar 16.ReaperMenu

7. Make sure you have SWS Extensions installed.