This was reported on the website of the state corporation.

“At the Baikonur cosmodrome, active work continues on preparations for the launch of the Proton-M launch vehicle with the Nauka multipurpose laboratory module.

In accordance with the work schedule, on July 17, 2021, the space rocket was delivered to the launch complex of site No. 200 and installed in an upright position, "the message says.

It is noted that the launch of the Proton-M launch vehicle is scheduled for July 21 at 17:58:21 Moscow time.

Earlier it was reported that the Baikonur cosmodrome began transporting the Proton-M rocket with the Nauka multifunctional laboratory module to the launch complex.