How do I set up site-wide discounts in Bold Discounts?
Bold Discounts does not require installation. You can create discount groups and activate them, automatically applying discounts to products.
More details on creating a discount group in Bold Discounts can be found here - https://support.boldcommerce.com/hc/en-us/articles/360044896231-Create-a-Discount-with-Bold-Discounts.