Although not currently a 'how to install' tutorial it is definately a place holder.

Default Sage Line 50 data locations

• Windows 10 - C:\ProgramData\sage\Accounts\2016\
• Windows Vista and Windows 7 –  C:\Program Data\Sage\Accounts\2008\
• Windows XP - C:\Documents and Settings\All Users\Application Data\Sage\Accounts\2008\

Default Sage Line 50 COMPANY file location

• Windows 10 - C:\ProgramData\sage\Accounts\2016\COMPANY
• Windows Vista and Windows 7 –  C:\Program Data\Sage\Accounts\2008\COMPANY
• Windows XP - C:\Documents and Settings\All Users\Application Data\Sage\Accounts\2008\COMPANY

Backup Location

• c:\shared Folder\accounts
• \\server\accounts

Sage 50 Accounts 2013 Client Manager - Compliation of sage line 50 2008 - 2013 accounts packages for accountants, this is not line 50

Other notes

During an upgrade you might see the following splash screen (or this might be accounts production or sage taxaion but i do not think so)