IE 10+ is officially supported by Launch
Browser support in the Launch client-side libraries:
Browser support in the Launch application interface:
Legacy DTM supported older versions of Internet Explorer, but over the last few years, the percentage of overall web users with older, outdated browsers has dropped to a small segment for our clients. Most Adobe clients now leverage more modern web platform features in current browsers and create better user experiences, including single page applications and interactive Ajax-heavy web sites and pages. As most clients move to more modern approaches with their sites, they demand a solution like Launch that enables those approaches.