We will tell you how to give yourself a grenade. This method works in a single game and in a private lobby with friends.
1) After entering the match, you need to open the console. The default key binding for the console is the tilde key (~).
Can't open the console? Look: How to enable and open the console in CS:GO
2) You need to activate cheat mode. Enter the command - sv_cheats 1
3) Enter the command from the desired grenade into the console
give weapon_decoy - false.
give weapon_molotov - Molotov.
give weapon_flashbang - flash drive.
give weapon_smokegrenade - smok.
give weapon_incgrenade - incendiary.
give weapon_hegrenade - fragmentation.
* Adapted for the latest version of CS:GO.
No installation required.
IF THERE IS A PROBLEM:
Opening it this link, we read it, if necessary - write the name of the mod.