You can go to your profile in the playmarket - there will be a list of all applications that were installed from under your account and put them back
If we mean a remote pre-installed application, then the simplest solution is to reset the device to factory settings . Manipulating system files "manually" requires rooting and a clear understanding of what and why you are doing.
If the remote application was downloaded from Google Play , then the sequence of actions is as follows:
If the application is no longer in Google Play, it remains to try something like Tenorshare Android Data Recovery or EaseUS , provided that the deletion was done very recently ... But there is still little hope of a favorable outcome.
More tips on using smartphones can be found here .