Install wacom intous S graphic tablet into Linuxmint 19.1

 Notes to self:

used this for help

1. 

Installation
Prerequisites
# Debian, Ubuntu, and Mint users:
sudo apt-get install build-essential autoconf linux-headers-$(uname -r)
2) Download input-wacom 0.39.
3) Select it, right-click, 'Extract Here'.
4) Select the 'input-wacom-input-wacom-0.39.0' folder, right-click, 'Open In Terminal'.
5) Type ./configure, press enter. After this finishes (few secs more or less), type make, press enter again.
6) Assuming no built errors occured, type make install. To keep things simple, a reboot before trying it out is recommended.

Before building, you'll need to ensure the necessary dependencies have been installed on your system:

from : https://github.com/linuxwacom/input-wacom/wiki/Installing-input-wacom-from-source

2.

Step-by-step:

1) Back up your data & make a Timeshift snapshot in any case...

from : https://forums.linuxmint.com/viewtopic.php?t=271919

3. work immediately without rebooting as recommended.