Small SEO project, onpage meta updates, non-www redirect IIS

Hello, thanks for checking this bid request. I need to update the meta title and meta description of 20 pages. The site is built on a CMS, unfortunately the meta can only be updated via FTP which I will provide details of. I will also provide a spreadsheet with the change. Additionally, there is a domain canonicalization issue. Both www and non www domains render. We would like all www pages get redirected to their non-www counterparts, using IIS as this is a Microsoft hosted site. ANy questions please let me know. If this can be done today that would be good. Mike