Look at the error that appears:

C:\Users\sousa\Documents\UVR-V4GUI> pip install torch == 1.6.0 + cu101 torchvision == 0.7.0 + cu101 - f https://download.pytorch.org/whl/torch_stable.html
Invalid requirement: '=='
Traceback (most recent call last):
File "c:\users\sousa\appdata\local\programs\python\pytho n37\lib\site-packages\pip\_vendor\packaging\requirements.py", line 93, in __init__
req = REQUIREMENT.parseString(requirement_string)
File "c:\users\sousa\appdata\local\programs\python\pytho n37\lib\site-packages\pip\_vendor\pyparsing.py", line 1632, in parseString
raise exc
File "c:\users\sousa\appdata\local\programs\python\pytho n37\lib\site-packages\pip\_vendor\pyparsing.py", line 1622, in parseString
loc, tokens = self._parse( instring, 0 )
File "c:\users\sousa\appdata\local\programs\python\pytho n37\lib\site-packages\pip\_vendor\pyparsing.py", line 1379, in _parseNoCache
loc,tokens = self.parseImpl( instring, preloc, doActions )
File "c:\users\sousa\appdata\local\programs\python\pytho n37\lib\site-packages\pip\_vendor\pyparsing.py", line 3395, in parseImpl
loc, exprtokens = e._parse( instring, loc, doActions )
File "c:\users\sousa\appdata\local\programs\python\pytho n37\lib\site-packages\pip\_vendor\pyparsing.py", line 1379, in _parseNoCache
loc,tokens = self.parseImpl( instring, preloc, doActions )
File "c:\users\sousa\appdata\local\programs\python\pytho n37\lib\site-packages\pip\_vendor\pyparsing.py", line 3717, in parseImpl
return self.expr._parse( instring, loc, doActions, callPreParse=False )
File "c:\users\sousa\appdata\local\programs\python\pytho n37\lib\site-packages\pip\_vendor\pyparsing.py", line 1379, in _parseNoCache
loc,tokens = self.parseImpl( instring, preloc, doActions )
File "c:\users\sousa\appdata\local\programs\python\pytho n37\lib\site-packages\pip\_vendor\pyparsing.py", line 3378, in parseImpl
loc, resultlist = self.exprs[0]._parse( instring, loc, doActions, callPreParse=False )
File "c:\users\sousa\appdata\local\programs\python\pytho n37\lib\site-packages\pip\_vendor\pyparsing.py", line 1383, in _parseNoCache
loc,tokens = self.parseImpl( instring, preloc, doActions )
File "c:\users\sousa\appdata\local\programs\python\pytho n37\lib\site-packages\pip\_vendor\pyparsing.py", line 2689, in parseImpl
raise ParseException(instring, loc, self.errmsg, self)
pip._vendor.pyparsing.ParseException: Expected W:(abcd...) (at char 0), (line:1, col:1)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "c:\users\sousa\appdata\local\programs\python\pytho n37\lib\site-packages\pip\_internal\req\req_install.py", line 252, in from_line
req = Requirement(req)
File "c:\users\sousa\appdata\local\programs\python\pytho n37\lib\site-packages\pip\_vendor\packaging\requirements.py", line 97, in __init__
requirement_string[e.loc:e.loc + 8]))
pip._vendor.packaging.requirements.InvalidRequirem ent: Invalid requirement, parse error at "'=='"

You are using pip version 10.0.1, however version 20.3b1 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.
PS C:\Users\sousa\Documents\UVR-V4GUI>