Recent upgrades and results from the CMS experiment

In 2016 the LHC restarted its operation with proton-proton collisions energies equal to $\sqrt{s}=13$ TeV. During 2016 the CMS detector collected an amount of data equal to ∼37 fb⁻¹, significantly sur-passing any amount of data collected in previous LHC campaigns. At the end of 2016 the 'Extended Year-End Technical Stop' (EYETS) started, a period where specific upgrades were performed over the detector to improve its efficiency when the data taking process restarted in 2017. Most of the upgrades are part of preparation process towards the High Luminosity LHC (HL-LHC) when the LHC will deliver up to 7 times the LHC design luminosity to the experiments. These upgrades will have significant contributions during 2019-2020 (LS2) and 2024-2016 (LS3). In this document the main upgrades that took place during EYETS are shown, also the current and future status of the LHC and the CMS experiment are discussed. Main preliminary results obtained by analyzing Run 2 data (2015 and 2016) are also shown. (paper)