How to modify "Save as" panel

When you click Save as You see a panel on the left such as shown in picture below

Here's what you need to do:

1. Open up the Registry Editor by pressing the Windows key and searching for "regedit." Press Enter and navigate to HKEY_CURRENT_USER > Software > Microsoft > Windows > CurrentVersion > Policies > comdlg32 > Placesbar.
2. If the comdlg32 and Placesbar keys do not exist, you can create them. Right-click on the Policies key, go to New > Key, and name it comdlg32. Then repeat this process for Placesbar by right-clicking on the comdlg32 key.
3. From there, right-click on an empty space in the right pane, choose New > String Value, and double-click on it, and name it Place0. You can edit all five of the Places entries with keys named Place0, Place1, Place2, Place3, and Place4 if you so desire.
4. Double-click on Place0 and enter the path to your desired folder int he Value Data box. If you want to assign it a system folder like My Computer or Desktop, you can do so by creating a new DWORD (32-bit) Value instead of a new String Value, and giving it one of the values from the list below
5. When you're done, repeat this process with Place1, Place2, Place3, and Place4 if desired.
6. Exit the Registry Editor.

Now, when you go to save a file, you should see your chosen shortcuts in the left sidebar. Hit the link below to read more.

List for windows folders location

The following “DWORD” values can be used to add standard folders to the Places Bar.

00 – Desktop 01 – Internet Explorer 02 – Start Menu\Programs 03 – My Computer\Control Panel 04 – My Computer\Printers 05 – My Documents 06 – Favorites 07 – Start Menu\Programs\Startup 08 – \Recent 09 – \SendTo 0a – \Recycle Bin 0b – \Start Menu 0c – – logical “My Documents” desktop icon 0d – My Music 0e – My Videos 10 – \Desktop 11 – My Computer 12 – My Network Places 13 – \NetHood 14 – WINDOWS\Fonts 15 – Templates 16 – All Users\Start Menu 17 – All Users\Programs 18 – All Users\Start Menu 19 – All Users\Desktop 1a – \Application Data 1b – \PrintHood 1c – \Local Settings\Application Data

1d – – Nonlocalized startup 1e – – Nonlocalized common startup 1f – Favorites 20 – Temporary Internet Files 21 – Cookies 22 – History 23 – All Users\Application Data 24 – WINDOWS directory 25 – System32 directory 26 – Program files 27 – My Pictures 28 – USERPROFILE 29 – – x86 system directory on RISC 2a – – x86 C:\Program Files on RISC 2b – C:\Program Files\Common 2c – – x86 Program Files\Common on RISC 2d – All Users\Templates 2e – All Users\Documents 2f – All Users\Start Menu\Programs\Administrative Tools 30 – – \Start Menu\Programs\Administrative Tools 31 – Network and Dial-up Connections 35 – All Users\My Music 36 – All Users\My Pictures 37 – All Users\My Video 38 – Resource Directory 39 – Localized Resource Directory 3a – Links to All Users OEM specific apps 3b – USERPROFILE\Local Settings\Application Data\Microsoft\CD Burning