This is a paid asset, but now you can download MicroSplat – HDRP 2020 Support Free.
Detail this asset from Unity Store: Original Link
MicroSplat – HDRP 2020 Support v3.9.2
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Adds support for Unity’s High Definition Render Pipeline (HDRP) to MicroSplat
Unity’s new Scriptable Render Pipeline (SRP) requires a full rewrite of all shaders for each version of each SRP. This module adds support for targeting the High Definition Render Pipeline shipping with Unity 2020.3LTS.
Tested with 2020.3LTS w/ HDRP 10.x
The following features are not currently supported
– Render Baking