This deposit provides full details of the quality control procedure undertaken and the derived files produced by the MRC-IEU for the full UK Biobank (July 2017) genetic data. Please see the documentation within this repository for more details. This dataset contains a single PDF which contains full details of the quality control procedure with the following sections: - Introduction - Individual/sample level QC (Standard exclusions; Ancestry restrictions; Relatedness) - Principal components - Standard covariates - Imputed SNP level QC (Filtered bgen files) - Acknowledgement - Paragraph for publication