Download "PrestonPlayz Texture Packs" Below

1.8.x - Download - 32x32 & 64x64 Mixed

1.9.x - Download - 32x32 & 64x64 Mixed

1.14.x - Download - 64x64 

1.16.x V2 - Download - 64x64 

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Download Optifine Below

[Optifine] - Download - You need this if you're going to use this pack or shaders

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Additional Info :
To use with 1.19 - download the 1.16.x version and apply it (just ignore the warning while changing TP)