before managing stock make sure your inventory option is enable.
In Go GST Bill stock will auto update. When you create a bill of purchase, the stock will auto increase. When you create a sales bill, stock will auto decrease.
If needed, you can also manually adjust your stock quantity. See the steps below:
For example if you want to increase your stock you can mention the positive value in the change in stock option then the new stock will automatically updated. Vice versa if you want to decrease the stock mention the value in negative in the change in stock option.
