1) Backup the following to the desktop, or even better, a USB drive:
XML(Profile) – This stores you’re settings for Mach3, if you lose it you will need to re-setup you’re ports and pins, motor tuning, etc.
Screensets
Macros/Brains
(Prehaps best to just backup/copy the whole Mach3 folder)
2) Download the current version of Mach3 from the Downloads & Update page.
3) Install the downloaded version; allow the install path to default to where Mach3 is installed.
4) Copy over to the new install the original ...
XML(profile)
Screensets
Macro's/Brains
WARNING: If you do not backup the files in Step 1, you will lose ALL settings and configurations.
Tweakie.