Set up a ready-made site on Bitrix

1. Unloading of sizes from 1C (additional characteristic).
2. Unloading the manufacturer/brand (add.har-ka or property) and setting up the filter on the site.
3. Setting the size of the uploaded image (main and preview).
4. Remove from the card of the goods in the catalog "availability in stock"
5. Remove from the card of the goods in the catalog "buy on credit"
6. Yandex.Metrica installation.
7. When unloading from 1C, the sections in the site directory are doubled - what is the reason?
8. Set up exchange with 1C - unloading orders from the site.
9. Installation of the price list module for registered customers