Why only select specific folders? This is necessary if your computer is running out of space since Google Drive does not have a storage limit.
Follow these steps:
Launch Google Drive application, if it isn’t running already. Right-click on Google Drive icon the system tray and select Preferences.
Step 2: On the Preferences dialog, check Only sync some folders to this computer option. And then select the folders that you want to sync to the computer on which the Google Drive client is running.
Step 3: Finally, click Apply changes button. You are done! Google Drive will sync only selected folders to your computer.