Hi. I installed Parallels Desktop 13 and High Sierra as client on top of High Sierra. I'm having hard time because of 2 issues:
1) Although Parallels Toolbox on host OS and Parallels Tools on client OS are installed, my client OS just gives me low display resolution(maybe 1024 x 768). It used to give me higher resolution on client OSs with older macOSs, as I resize the Parallels window on host OS if I remember correctly.
2) I can see no items in /Volumes/SharedFolders directory, in spite that fact that I could see my home directory on my host OS with older macOSs installed as client OS.
Please advice. Thank you.
*) Please note that I reinstalled Parallels Tools several time, along with Parallels Desktop 13 and Parallels Parallels Toolbox.
1) Although Parallels Toolbox on host OS and Parallels Tools on client OS are installed, my client OS just gives me low display resolution(maybe 1024 x 768). It used to give me higher resolution on client OSs with older macOSs, as I resize the Parallels window on host OS if I remember correctly.
2) I can see no items in /Volumes/SharedFolders directory, in spite that fact that I could see my home directory on my host OS with older macOSs installed as client OS.
Please advice. Thank you.

*) Please note that I reinstalled Parallels Tools several time, along with Parallels Desktop 13 and Parallels Parallels Toolbox.