The article outlines the steps to perform a warehouse transfer from a sales order
FOLLOW STEPS BELOW:
1. Click "Sales Orders"
2. Open the Sales Order (Use Searching and Filtering if needed)
3. Click "Warehouse Transfer"
4. Select From where you are transferring and To where you are transferring.
5. Add a Comment
6. Select which products you want transferred from the sales order
7. Edit the values in the "Transfer Units" column foe the selected product to transfer
8. Click "Accept"
NB. For a quick tutorial watch below