Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to map a folder to a drive letter in windows [title] Open a command prompt window. [step] On windows vista or windows 7, open the command prompt as default user, not as administrator. The reason will be explained later.

Ending1: [title] Go to tools] options] programs and features] tools. [step] Navigate to the programs and features menu. Ending2: [title] Use the subst command to map your folder to a drive letter. [step] For example: subst x: " d: \ documents \ john \ letters ". Ending3: [title] Add the typing library in top left corner. [step] On mac, right-click start (or " utilities "), click file, choose folder, search for the folder you are looking for. Ending4: [substeps] If doing so, you can press start (ctrl + alt + shift + del). Windows explorer then after your command prompt prompt opens, select " properties.

Answer format: ending1/ending2/ending3/ending4