Install SAIGE from bioconda (Not current version)
Warning: please do not use this bioconda version for bgen input. We are working on the issue.
To install saige from conda simply create environment with latest version of R and saige:
conda create -n saige -c conda-forge -c bioconda "r-base>=4.0" r-saige
conda activate saige
More info on r-saige conda package and available versions can be found in the issue #272.