# HELPPREFIX System Variable [GstarCAD 2020](Help%20System/GSTARCAD/2020/Index.md) → [System Variables](Help%20System/GSTARCAD/2020/System%20Variables/(System%20Variables).md) → [H](Help%20System/GSTARCAD/2020/System%20Variables/H/(H).md) ## Function Description: The HELPPREFIX system variable is used to set the file path for the Help System. | | | | --- | --- | | Type | Strings | | Saved in | Registry | | Initial value | Unknown | ## System Variable Value: This system variable determines the default setting in Options dialog box \> Files tab \> Help and Miscellaneous File Names option \> Help Location option. --- ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/H/HELPPREFIX%20System%20Variable.md) · [GstarCAD 2017](Help%20System/GSTARCAD/2017/System%20Variables/H/HELPPREFIX%20System%20Variable.md) · [GstarCAD 2018](Help%20System/GSTARCAD/2018/System%20Variables/H/HELPPREFIX%20System%20Variable.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/System%20Variables/H/HELPPREFIX%20System%20Variable.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/System%20Variables/H/HELPPREFIX%20System%20Variable.md) · [GstarCAD 2022](Help%20System/GSTARCAD/2022/System%20Variables/H/HELPPREFIX%20System%20Variable.md)