diff --git a/install-onlyoffice.sh b/install-onlyoffice.sh
index bdadd6c6b..3bff02b31 100755
--- a/install-onlyoffice.sh
+++ b/install-onlyoffice.sh
@@ -15,10 +15,6 @@ PROPS_FILE="$CONF_DIR"/onlyoffice.properties
 declare -A PROPS
 
 main() {
-
-    # clean build env in case a previous build has failed
-    rm -rf "$BUILDS_DIR"
-
     mkdir -p "$CONF_DIR"
 
     load_props
@@ -32,6 +28,14 @@ main() {
     set_prop oldest_needed_version v1
 
     mkdir -p "$OO_DIR"
+    install_old_version v1 4f370beb
+    install_old_version v2b d9da72fd
+    install_old_version v4 6ebc6938
+    install_old_version v5 88a356f0
+    install_old_version v6 abd8a309
+    install_version v7 v7.3.3.60+10 be3c926d534b0c77aa1ed83b170a38b9e56ebbbfd73a1a968f523d63c5ed69ecdb063fad08740812de82c1e79af7309faf67ffdd81b45451adce539192f3414c
+    install_version v8 v8.3.3.23+0 d3752926a68a487c5f855651a8966c04b320277a0dd2dfc3a4c1537b8d925cf59ec93a15f97664cbdb8867c32a94e105798b28751e0ef49521bc72c323b634a8
+    install_x2t v7.3+1 ab0c05b0e4c81071acea83f0c6a8e75f5870c360ec4abc4af09105dd9b52264af9711ec0b7020e87095193ac9b6e20305e446f2321a541f743626a598e5318c1
 
     echo "Do you want to install all available OnlyOffice versions? (Y/N)"
     read -r install_all
@@ -48,46 +52,12 @@ main() {
 
     for version in "${selected_versions[@]}"; do
         case $version in
-            v1)  
-                set_prop oldest_needed_version v1; install_old_version v1 4f370beb
-                # We delete 'help' from previous versions as they are useless and take up storage
-                rm -rf "$OO_DIR/v1/web-apps/apps/documenteditor/main/resources/help"
-                rm -rf "$OO_DIR/v1/web-apps/apps/presentationeditor/main/resources/help" 
-                rm -rf "$OO_DIR/v1/web-apps/apps/spreadsheeteditor/main/resources/help"
-                ;;
-            v2b) 
-                install_old_version v2b d9da72fd
-                rm -rf "$OO_DIR/v2b/web-apps/apps/documenteditor/main/resources/help"
-                rm -rf "$OO_DIR/v2b/web-apps/apps/presentationeditor/main/resources/help" 
-                rm -rf "$OO_DIR/v2b/web-apps/apps/spreadsheeteditor/main/resources/help"
-                ;;
-            v4)  
-                install_old_version v4 6ebc6938
-                rm -rf "$OO_DIR/v4/web-apps/apps/documenteditor/main/resources/help"
-                rm -rf "$OO_DIR/v4/web-apps/apps/presentationeditor/main/resources/help" 
-                rm -rf "$OO_DIR/v4/web-apps/apps/spreadsheeteditor/main/resources/help"
-                ;;
-            v5)  
-                install_old_version v5 88a356f0 
-                rm -rf "$OO_DIR/v5/web-apps/apps/documenteditor/main/resources/help"
-                rm -rf "$OO_DIR/v5/web-apps/apps/presentationeditor/main/resources/help" 
-                rm -rf "$OO_DIR/v5/web-apps/apps/spreadsheeteditor/main/resources/help"
-                ;;
-            v6)  
-                install_old_version v6 abd8a309
-                rm -rf "$OO_DIR/v6/web-apps/apps/documenteditor/main/resources/help"
-                rm -rf "$OO_DIR/v6/web-apps/apps/presentationeditor/main/resources/help" 
-                rm -rf "$OO_DIR/v6/web-apps/apps/spreadsheeteditor/main/resources/help"
-                ;;
-            v7)  
-                install_version v7 v7.3.3.60+10 be3c926d534b0c77aa1ed83b170a38b9e56ebbbfd73a1a968f523d63c5ed69ecdb063fad08740812de82c1e79af7309faf67ffdd81b45451adce539192f3414c 
-                rm -rf "$OO_DIR/v7/web-apps/apps/documenteditor/main/resources/help"
-                rm -rf "$OO_DIR/v7/web-apps/apps/presentationeditor/main/resources/help" 
-                rm -rf "$OO_DIR/v7/web-apps/apps/spreadsheeteditor/main/resources/help"
-                rm -rf "$OO_DIR/v7/web-apps/apps/common/main/resources/help/"
-                # From all the older versions only v7 has 'dictionaries', we remove it for the same reasons
-                rm -rf "$OO_DIR/v7/dictionaries/"
-                ;;
+            v1)  set_prop oldest_needed_version v1; install_old_version v1 4f370beb ;;
+            v2b) install_old_version v2b d9da72fd ;;
+            v4)  install_old_version v4 6ebc6938 ;;
+            v5)  install_old_version v5 88a356f0 ;;
+            v6)  install_old_version v6 abd8a309 ;;
+            v7)  install_version v7 v7.3.3.60+10 be3c926d534b0c77aa1ed83b170a38b9e56ebbbfd73a1a968f523d63c5ed69ecdb063fad08740812de82c1e79af7309faf67ffdd81b45451adce539192f3414c ;;
             v8)  install_version v8 v8.3.0.83+3 fbf77671ea8b960b6c65fdad025980894dfc9ed0b79d9540951f56c79871d0bde3361f29a35b9653764f7802ec74df01601b6c9961e0f3118988422667563470 ;;
             x2t) install_x2t v7.3+1 ab0c05b0e4c81071acea83f0c6a8e75f5870c360ec4abc4af09105dd9b52264af9711ec0b7020e87095193ac9b6e20305e446f2321a541f743626a598e5318c1 ;;
             *)