You can turn off fundraising promotions on the Firefox home page by mousing over the promotion and clicking the “X” at the upper right of the promotion.
Tzemreḍ ad tsenseḍ isawalen i tewsa deg usebter agejdan n Firefox s usersi n teḥnaccaḍt s ufella n yizen sakin sit ɣef tqeffalt “X” s ufella ayeffus n yizen.