If you want File Explorer to open This PC instead of Quick access, follow the steps below:
Open the drop-down list next to “Open File Explorer to.”
Select “This PC.”
Press the OK button below.
Now, launch File Explorer by pressing Windows + E and you will find This PC instead of Quick access.
Note: If you prefer the default setting, select “Quick access” from the above-mentioned drop-down list, then click OK at the bottom.
Here’s an alternate method:
Before proceeding, I recommend taking a backup of the Registry.
Go to the following: HKEY_CURRENT_USER > Software > Microsoft > Windows > CurrentVersion > Explorer > Advanced.
Locate LaunchTo in the right pane and double-click it.
In the Value data field, provide 1 (For This PC) or 2 (For Quick access).
Hit the OK button.