1. Before install a new PTE Patch, you have to export your team to import to the new patch
2. To export the team, just go to the "Edit" menu in game > "Data Management" > "Export Team"
3. After the team is exported, a new file called "EXPORT00000000", will be created in "Documents > KONAMI > Pro Evolution Soccer 2016 > save"
4. Now install the new PTE Patch, go to the "Edit" menu in game > "Data Management" and import your team in "Import Team"
by selecting the file "EXPORT00000000".