diff --git a/.dev/utils/build.sh b/.dev/utils/build.sh
index f061ad4..d865909 100755
--- a/.dev/utils/build.sh
+++ b/.dev/utils/build.sh
@@ -65,8 +65,8 @@ else
   GC=YES
   RUNID=GISS_GC_14
   # Copy over configuration files
-  HUGE_SPACE=${HOME}/data/giss-gc/huge_space/${RUNID}
-  PROD_RUNS=${HOME}/run/giss-gc/prod_runs/${RUNID}
+  HUGE_SPACE=${ModelE_Support}/huge_space/${RUNID}
+  PROD_RUNS=${ModelE_Support}/prod_runs/${RUNID}
   for RUNDIR in ${HUGE_SPACE} ${PROD_RUNS}; do
     ln -s -f ${GISS_HOME}/geoschem_config.yml ${RUNDIR}/geoschem_config.yml
     ln -s -f ${GISS_HOME}/HEMCO_Config.rc ${RUNDIR}/HEMCO_Config.rc
diff --git a/.dev/utils/run.sh b/.dev/utils/run.sh
index 36b3444..c59d459 100755
--- a/.dev/utils/run.sh
+++ b/.dev/utils/run.sh
@@ -48,6 +48,6 @@ else
 fi
 
 # Navigate to the run directory and run the model for one hour
-cd ~/run/giss-gc/prod_runs/${RUNID}
+cd ${ModelE_Support}/prod_runs/${RUNID}
 ./${RUNID}ln
 mpiexec -np ${NP} ./${RUNID}.exe -i I -cold-restart
diff --git a/.dev/utils/setup.sh b/.dev/utils/setup.sh
index 187912c..605c83b 100755
--- a/.dev/utils/setup.sh
+++ b/.dev/utils/setup.sh
@@ -6,12 +6,13 @@
 # Envronment variables for GISS modelE
 # NOTE: Path may need to be edited for your system
 export GISS_HOME=${SOFTWARE}/GISS-GC
+# NOTE: Path may need to be edited for your system
 export ModelE_Support=${HOME}/run/giss-gc
 mkdir -p ${ModelE_Support}
 # Environment variables for compiler
-export CC=gcc
-export CXX=g++
-export FC=gfortran
+export CC=gcc      # NOTE: C compiler may need to be modified for your system
+export CXX=g++     # NOTE: C++ compiler may need to be modified for your system
+export FC=gfortran # NOTE: Fortran compiler may need to be modified for your system
 export F90=${FC}
 export F77=${FC}
 # Misc. enviroment variables
@@ -20,8 +21,10 @@ export KMP_STACKSIZE=100000000
 export OMP_NUM_THREADS=1
 
 # Spack setup
+# NOTE: This section may need to be edited for your setup
 spack env activate -p giss-gc
-export MPI_ROOT=${HOME}/software/spack/opt/spack/linux-ubuntu22.04-skylake/gcc-11.4.0/openmpi-4.1.6-s3fu5gvaasgjy4jecnb6rvemx7oofexx
+MPIF90=$(find ${SPACK_ENV} -name mpif90 | head -n 1)
+export MPI_ROOT=${MPIF90%/bin/mpif90}
 
 # Environment variables for passing NetCDF-C paths to GEOS-Chem
 export NETCDF_HOME=$(nc-config --prefix)