AL salam Alaikom

sorry to write in english. i will inform u how to do it
:
1- from Interpreter - Utilities - layerstack (figure.1)a

2-Now u sholuld input the bands - u choose band pro band: from input then u go to ur folder and dont forget to
change the file type into TIFF format, then choose band number 1 - ok - add, then band 2, 3, 4, 5, 7.

3- write the out put file, it will be automatic in image file.

4- take care that Band nummber 8 u will use it later to enhance the image. band 6 u will use it separetly because its thermal band.

5- Band 8: from interpreter - spatial enhancement - resolution merge. put the band 8 in the high resolutionfile and the stacked image in the multisoectral file then put the out put file ,,,, ok


best regards