Hello,
1. Upsells sidebar is shown: http://storage1.static.itmages.com/i/15/0521/h_1432199146_1263808_fb710f8e62.png
2. As I see header is shown on products page and single product pages. Please clarify the issue with more details. Show us screenshots.
3. I’ve checked the converter in the sidebar on products page and it’s working fine.
4. Sidebar isn’t shown on Sale page because you have categories displayed there and there is nothing to filter (prices and products aren’t shown).
5. Your data won’t be erased. You can install templates variants.
6. Go to Products > edit a product and mark it with brand on the right side.
Thank you. Regards, Eva Kemp.
