This README contains information on how to setup your KiCad 6.0 environment. It includes:
Following the instructions provided here: How to Import into KiCad v6
Import Symbols
In KiCad, go to Preferences.
Click on Manage Symbol Libraries.
On the Global Libraries tab, click on Browse Libraries (the small folder icon below)
Select the .lib file, then click Open.
The library will appear, click OK.
Click on Symbol Editor.
Type on the filter search field, and navigate to the symbol you imported. Double-click over it to open the file.
Import Footprints
Using the *.kicad_mod file:
In KiCad, go to Preferences.
Click on Manage Footprint Libraries.
On the Global Libraries tab, click on Browse Libraries (the small folder icon below)
Navigate to the Folder of the downloaded .kicad_mod file. Then click Select Folder.
The library will appear, click OK.
Click on Footprint Editor.
Type on the filter search field, and navigate to the footprint you imported. Double-click over it to open the file.
Following the instructions provided here: KiCad Creating Templates we must:
a. Go to Preferences -> Configure Paths in the KiCad GUI.
b. Go to KICAD_USER_TEMPLATE_DIR and double click the path name until a folder apprears.
c. Navigate to the QSAT/pcbs/qsat-templates directory and hit Select Folder
a. Go to File -> New Project From Template... in the KiCad GUI.
b. Select the User Templates tab, and choose the template you want.
Note: If starting a project from scratch it is recommended to use the QSAT - PC104 Base Board This is designed to have the same pcb footprint as the Clyde Space EPS board with mounting holes and a PC104 connector.
JLC has provided instructions for their required procedure, and is well detailed.
The steps to generate the manufacturing files are found here.
And the steps to generate the BOM and Centroid files are found here.