diff --git a/install.md b/install.md
index d9c91ed..6a9a284 100644
--- a/install.md
+++ b/install.md
@@ -1,4 +1,4 @@
-# OEMDRV Bootstrap — install.sh + install_from_repo.sh
+# OEMDRV Bootstrap — install.sh
 
 the script `./system_setup/install.sh` prepares a target machine for automated Fedora deployment. It shrinks an existing partition to carve out a dedicated **OEMDRV** partition, which Anaconda/Kickstart will detect automatically during installation.
 
@@ -37,7 +37,7 @@ curl -fsSL ${REPO_URL%.git}/raw/branch/${REPO_BRANCH:-main}/system_setup/install
 sudo -E bash /tmp/install.sh
 ```
 
-That way, install.sh should know what to pull.
+Both are optional. That way, install.sh should know what to pull.
 
 ## After the script completes
 
diff --git a/system_setup/install.sh b/system_setup/install.sh
index 5191cac..ee7293e 100755
--- a/system_setup/install.sh
+++ b/system_setup/install.sh
@@ -196,9 +196,12 @@ collect_free_space() {
                 $1+0 > 0 {
                     for (i = 1; i <= NF; i++) {
                         if ($i == "free") {
-                            start=$2; end=$3; size=$4;
-                            gsub(/MiB/,"",start); gsub(/MiB/,"",end); gsub(/MiB/,"",size);
-                            s=int(start+0); e=int(end+0); sz=int(size+0);
+                            gsub(/MiB/,"",$2); gsub(/MiB/,"",$3);
+                            e=int($3+0);
+                            raw_s=$2+0;
+                            s=int(raw_s)+(raw_s>int(raw_s)?1:0);
+                            if (s < 1) s = 1;
+                            sz=e-s;
                             if (sz >= min) print s " " e " " sz;
                             break
                         }
@@ -332,12 +335,12 @@ SEL=-1
 while true; do
     echo
     if [[ $FS_IDX -gt 0 && $shrink_count -gt 0 ]]; then
-        read -r -p "Enter  f<n>  to use free space,  s<n>  to shrink a partition, or  q  to quit: " INPUT
+        read -r -p "Enter  f<n>  to use free space,  s<n>  to shrink a partition, or  q  to quit: " INPUT || { echo; echo "Aborted."; exit 0; }
     elif [[ $FS_IDX -gt 0 ]]; then
-        read -r -p "Enter number of free space region to use, or  q  to quit: " INPUT
+        read -r -p "Enter number of free space region to use, or  q  to quit: " INPUT || { echo; echo "Aborted."; exit 0; }
         [[ "$INPUT" =~ ^[0-9]+$ ]] && INPUT="f${INPUT}"
     else
-        read -r -p "Enter number of partition to shrink, or  q  to quit: " INPUT
+        read -r -p "Enter number of partition to shrink, or  q  to quit: " INPUT || { echo; echo "Aborted."; exit 0; }
         [[ "$INPUT" =~ ^[0-9]+$ ]] && INPUT="s${INPUT}"
     fi
 
@@ -458,15 +461,16 @@ fi
 # ── Create OEMDRV partition ───────────────────────────────────────────────────
 
 info "Creating new OEMDRV partition (${OEMDRV_START}–${OEMDRV_END} MiB) on $WORK_DISK..."
-printf 'Yes\n' | parted "$WORK_DISK" mkpart anacondainstall btrfs "${OEMDRV_START}MiB" "${OEMDRV_END}MiB" \
+parted -s "$WORK_DISK" mkpart anacondainstall btrfs "${OEMDRV_START}MiB" "${OEMDRV_END}MiB" \
     || die "parted mkpart failed. Check that the target area is free space on $WORK_DISK."
 
 partprobe "$WORK_DISK"
 sleep 1
 
-# Determine new partition number (highest on the disk after partprobe)
+# Find the partition whose start matches OEMDRV_START (±1 MiB for alignment)
 NEW_PNUM=$(parted -s "$WORK_DISK" -m unit MiB print 2>/dev/null \
-    | awk -F: '/^[0-9]/{n=$1} END{print n}')
+    | awk -F: -v s="$OEMDRV_START" '
+        /^[0-9]/ { gsub(/MiB/,"",$2); if (int($2+0) >= s-1 && int($2+0) <= s+1) { print $1; exit } }')
 [[ -n "$NEW_PNUM" ]] || die "Could not determine new partition number on $WORK_DISK."
 
 OEMDRV_DEV=$(new_part_device "$WORK_DISK" "$NEW_PNUM")