MaS 2.8.15-RT 0.62.zip is a release file of the Minecraft resource pack Mine and Slash - ReTexture x16, made for Minecraft 1.14.4. It was published on September 29, 2019 and is 1.3 MB in size. For the full description, screenshots and every other version, visit the Mine and Slash - ReTexture x16 resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.