Use 7-Zip or WinRAR to extract the .rar file contents.
Includes heavy 808s, "washed" or ambient percussion, and unique sound effects. CARA_SPE_WASHED_BY_BNY.rar
If it contains .fxp files, move them to your Xfer > Serum Presets > Presets folder. Use 7-Zip or WinRAR to extract the
If you're looking for more sounds in this style, creators often post them on these platforms: How to Install Serum 2 Presets and Packs "washed" or ambient percussion