Windows:
\\Documents\Sports Interactive\Football Manager 2020\skins\
Mac:
/Users/[username]/Library/Application Support/Sport Interactive/Football Manager 2020/skins/

<Install>
1. Copy and paste files
2. Game Start
3. Preferences
4. Reset
5. Clear Cache
6. Game Close
7. Game Restart

Download
http://www.mediafire.com/file/zwt1mj..._v0.4.zip/file
http://www.mediafire.com/file/acycf2...4_alt.zip/file