Open Google Sheets
Type 'Image' in the first column
Type 'Name' in the second column
Type 'Type' in the third column
Type 'Value' in the fourth column
Type 'Ticket Number' in the last column
Type '#' because you won't be able to add images on Google Sheets - you will have to add so manually after uploading your file
Click 'Copy'
Highlight how many instant wins you will be doing
Click 'Paste'
Add your first prize
If you are doing more than 1 of the same prize, an efficient way to do this is to copy and paste your prize into different columns
Type in the rest of your prizes but make sure to do so without '£'
If your prize is site credit you need to type 'wallet'
To do this more efficiently you can copy and paste.
Highlight all the site credit prizes
If it's a physical prize you need to put 'prize' in the type column
Type the value for each instant win - if your site credit is automated make sure you put the right value in
Type the ticket number that correlates with each instant win
Once you're done, save and download your file as CSV.
After you need to convert it to UFT-8.