Google Drive For Desktop

Download Google Drive for Desktop

Search for software center in your search box on your desktop's task bar
Open Software Center, and select the Applications tab to the left (it should default to this tab upon opening Software Center)
Navigate down the list until you find, Google Drive and then select this an click Install

Moving Files from X drive (and other local folders) to Google Drive for Desktop (this is just 1 method to move your files, there are different methods that will also work)

Install Google Drive for Desktop, and open this program to sync your Google Drive files to your desktop

2. Navigate to File Explorer and along the left side

3. Select your G drive to open your Google Drive on your desktop, or another local folder you want to move files from (Desktop, Documents, Downloads)

Select your My Drive (personal Google Drive file space) is equivalent to your X drive, and X drive files should be moved to your My Drive if you do not want anyone else to have access to these

5. From File Explorer, go to the top left and select File, and then select Open new window, and then Open new window, again, you should now have 2 File Explorer windows open

6. Restore down both screens (if they are not already), adjust their sizes

7. Move them so, they are side by side

8. Drag and drop your files from your X or S drive into the folder on your G Drive, by clicking on the file in your X or S drive and with the left mouse button held down, drag this over to the other window and drop your file by releasing the left mouse button