Use these steps to help with SKU setup and "Check in" and "Check out"
Create Stock using the Stock Mgr
Check "Goods In" using Customer and Location (Locations may need to be added)
When on "Goods In" you may need to enter the Warehouse name the first time
Use the "Browse Stock" to show Stock levels, Find, Print and Move Stock
Check "Goods Out" - Select New from the first screen and then Pick stock and print documentation