Open/read ERA5 reanalysis file in ascii format inside IDL6.2 in windows system

Dear all,

 I had downloaded a netcdf ERA5 reanalysis data from the ECMWF.

I made some attempt to open/read such this file inside IDL V6.2 under windows system.

Unfortunately, I failed.

I will be appreciate  any one help me and have some tips to open/read such this data inside IDL V6.2 in

windows system.

Best Regards