Hello!

First off, Welcome! I plan to make this guide as clean and simple as possible. There are 50 achievements to get, Should be fairly easy to get. I wish you all luck!
Let's get started..

The achievements in the game are colour coded, With no meanigful point system in steam. However
Bronze - Easy Achievement (38)
Silver - Slightly harder (10)
Gold - Hardest (2)

The majority of achievements in the game are based in career mode. A few of which are time trials and the last remaining few are multiplayer.
I'm going to add all miscellaneous achievements into the Career section, at the bottom!



Out of the gates
Description:Complete a valid qualifying lap using the Hotlap ERS deployment mode

How to:While in qualifing, using MFD (dpad up) select ERS 5 (hotlap) and do a lap.

From humble beginnings
Description:Complete your first Practice Programme

How to:While starting a career, you'll soon learn about "practice programme" Just complete one and this will pop up, Hard to miss.

Something to prove
Description:Accept a contract with Toro Rosso, Williams or Sauber

How to:When you start, one of the first things you do in career mode is choose your first team, If you're like me, then you'd have gone for the smaller teams, Choose one of the said teams and this will pop up.Also works later in game as offers, Check "Contender" For same details.

Contender
Description:Accept a contract with Renault, Haas, McLaren or Force India

How to:A bit into your career you'll get offfers for other teams, If one of the above come up, Accept. Also works from career start.

Great expectations
Description:Accept a contract with Ferrari, Mercedes or Red Bull

How to:Same as "Contender" and "Something to prove" Either choose as a team to start with or accept a contract with any of the said teams later in the career.

Stepping up
Description:Achieve a podium finish in any game mode

How to:Come first in a Career race, To make this easier, set Ai to lowest possible. You can also do this in Multiplayer.

Best seat in the house
Description:Take pole position

How to:In qualifing, set the fastest time, make sure it's a good gap so you're garunteed 1st, if you stay in 1st with fastest lap time, you'll get pole. Choose your fave track and car combo , I did this in the GP section.

Back on track
Description:Complete a lap at Hockenheim

How to:This can be done in career or time trial. As said, do a lap on Hockenheim in any car.

I expect the best and I give the best
Description:Earn maximum Resource Points during Practice

How to:While in practice after starting career, You'll notice you can get rewards and data based off doing certain things on track, Complete them all and you'll get all "resource points" Achievement yours.

A new challenger appears
Description:Take your first win in any full season

How to:In career, you'll do a season, Each race will give you points, if you get more points than anyone else you will be in 1st (Simple enough) Come first in any full season , Does not mean first for every race, just that you finish first by the last race.

Stick or shift
Description:With manual gears enabled race a car with a non sequential gearbox

How to:In either career or Multiplayer, Go into a race with a car that has non sequential gearbox and do manual gears, A and X for gears on controller, On wheel flappy paddle still works.
You can double up this with "Welcome to the real world" it does take a few goes though, I did it in a Mclaren mp4/6 on Japan with 3 laps. all assists off (you do not need manual with clutch) Just manual will suffice.

Welcome to the real world
Description:Complete any race with all assists disabled

How to:Turn off all assists, set ai to the lowest possible, drive with care and with a bit of skill and luck you should be able to win. Works in Multiplayer too, So get a friend to sit there while you win a race is another option.

Go Team!
Description:Obtain an upgrade at a reduced cost due to good morale

How to:In interviews, you're options of responses change the morale of the team, Good morale is the key here, at one point you'll gett a reduced cost for a upgrade and the achievement will pop.

Seriously, JEFF!
Description:Politely ask your Race Engineer to stop talking to you out on track

How to:When he starts to talk while you're on track, One of the menu options will be to silence him. You can do this in any mode, so whatever you find easiest.

Flattery will get you anywhere
Description:Negotiate a new contract

How to:"yet to fill in"

Inspiring confidence
Description:Receive a promotion to first driver

How to:Race well and do all the objectives, you'll soon get the promotion.

Purple Rain
Description:Achieve a perfect result in a Practice Programme in wet weather

How to:While doing the practice programme, get all perfect results, However make sure it's raining. if the forecast is rain all day, a good chance to do it. Can be done in any mode.

It's show time
Description:Complete an event

How to:Self explanitory, Complete an event, Don't have to come first, Just finish.

Clean sweep
Description:Set the fastest time in all 3 Practice sessions, take pole position and win the Grand Prix

How to:In career, you'll have 3 practice sessions, get the fastest time in all 3, in qualifing set fastest time for pole and then win the race. Easier if ai is set to lowest setting, Race well. This is also possible in Gp or championship modes.

Homecoming
Description:Finish in the points at Le Castellet in a Renault

How to:While at "le Castellet" in a Renault, get in the top half of the leaderboard to score atleast 1 point.

Use it or lose it
Description:Finish a race with a fully depleted battery

How to:Keep using ERS, Usually set to auto so set it to 3 or 4.

On your left
Description:Finish on the podium after being eliminated in Q1

How to:Purposley get elminated in Q1, go on to win the race, you'll be back of pack so set ai to easiest setting.A track with good openings will be key here.

For Thomas
Description:Win the Spanish Grand Prix with Kimi Räikkönen

How to:Win a Spanish Grand Prix as Kimi Räikkönen.

The winner takes it all
Description:Obtain a gold medal in a championship

How to:In Championship mode, select any of the events and do all required objectives, achieve a gold medal. Usually requires coming first.

Improvise. Adapt. Overcome.
Description:Complete a race using four different tyre compounds

How to:This is easiest done in a career race with rain. Start with softs, go to wets when it rains, and in between the other 2 stops have hards and intermediates, You might struggle to win but you should get the achievement easily. Another is to setup a personal GP.

Seen the sights
Description:Complete a Full Season of 21 Races in Career or Championships Mode

How to:As it says, do a full season of 21 races, You do not have to win, Just complete.

Bright Spark
Description:Generate enough energy through ERS to power a light bulb for a year

How to:Keep using ERS, Setting this up on long races and to continue using it, This will be a long progression achievement, focus on this last. Choosing simple and long tracks with large straights will help. This is best done in a modern F1 car.

Streets ahead
Description:Win the Drivers' Championship at USA, or earlier

How to:As it says, Win before America.

As good as it gets
Description:Apply all vehicle upgrades from one department

How to:Youhave 4 departments of Research, Complete one section of the tree, fully.

Best laid plans
Description:Lose an upgrade due to a regulation change

How to:While in career, One or more of your upgrades may get regulated, You may lose it. When that happens, it will pop up.

It's in there somewhere
Description:Finish a race with a missing gear

How to:Set Damage to full, with a fully damaged or heavily damaged gearbox, you may lose a gear, Carry on and finish the race, you do not have to win.

Matching a legend
Description:Obtain 41 podium finishes in Career Mode

How to:Get in the top 3 positions in over 41 races, throughout your career.

There's no "I" in team
Description:Win the Formula 1 Constructors' Championship

How to:Same as "Yours is the Earth and everything that’s in it" Just a different Championship.

Yours is the Earth and everything that’s in it
Description:Win the Formula 1 Drivers' Championship

How to:Win the Formula 1 Drivers championship. Setting ai to lowest will make this easier.

Miscellaneous Achievements

It's still good, it's still good
Description:Use a Flashback
How to:While in a Race, any race press the Flashback button and continue. Y on controller and X to accept.

It's the little things
Description:Use the Multi Function Display to adjust your set-up while on track

How to:While on track, Practice or qualifing, there will be a option to adjust minor setting to the car. Dpad up for brake bias and change that slightly. Fuel settings don't count.

It's about time
Description:Set a clean lap in any Time Trial

How to:In Time trial mode, Set one clean lap, Doesn't have to be fast. Just clean!

Smile!
Description:Take a picture using Photo Mode

How to:in any mode, bring up the flashback timeline, you will see a camera icon, select that to open "camera mode" Take a picture of anything (Car is a good one) and the achievement will pop up.

Patent pending
Description:Set a valid Time Trial lap with a set up taken from a rival ghost

How to:Go on time trial, do a lap, try not to be fast, will make this easier. Once you done a lap, go into the start menu and download the rivals setup, it will start a new flying lap, beat your last time (plus whatever the rival was) .

Quick as a flash
Description:Achieve a reaction time of less than 0.16 Seconds off the grid with race starts set to manual

How to: Any mode with standing starts, as soon as the lights go green, within 0.16 of a second set off the line with a manual gearbox in assists. May take a few goes but it's possible.

The 1.6% club
Description:Win a 25% + distance race against 'Ultimate' AI opponents

How to:In any race mode, set the ai to ultimate, will say in at set % and set the race length to 25% or more, win the race. this is skill based, Chose your fave track/car combo and try your best.

Right place, right time
Description:Finish on the podium at Singapore in Fernando Alonso's McLaren

How to:In the championship section, Sprint championship, One of the later races is on Singapore,choose the Mclaren and when choosing driver choose Alonso. Race and win.

Superficially familiar
Description:Complete a race in a classic Lotus at the Circuit of the Americas

How to:In any mode, Setup a race for the classic lotus and Circuit of the americas and complete the race, Do not have to win.

Making inroads
Description:Complete a race at every short track

How to:This will come in time, but if you're after it quickly, setup a short race on every short track (or all tracks) and complete each one, any car. I'd start from top to bottom with tracks to keep "track"
Track list ;
USA Short
Japan Short
Britain Short
Bahrain Short

These are the online achievements, Consiting of a bit of skill, A friend is helpful, Time and patience and most importantly, Internet Connection!

Every artist was first an amateur
Description:Obtain a Skill Rating in Multiplayer

How to:While racing on multiplayer, you'll gain a Skill rating for speed, time, clean driving. Just race online.

Safety first
Description:Obtain a Safety Rating of 'A' in Multiplayer

How to:Go on multiplayer, Drive safe,don't crash or ram. Should soon go up to "A"

Aces High
Description:Obtain a rank of 11 Online

How to: View "The Trooper"

The Trooper
Description:Obtain a rank of 25 Online

How to:Keep on Racing, You'll get there (Multiplayer lobby) Boosting with a friend might proof faster but unknown, Just keep Racing, drive fair and legit, you don't have to win them all. Also gets "Aces High" after 11 Ranks.

Sceptre
Description:Win a total of 4 Online Races

How to:Get 1st in 4 Races online, Easier with friends who will let you win, otherwise, plan between random people or get good and win honestly.

More to come
Description:Complete a Race in an Online Championship

How to:While in Multiplayer lobby, setup a Championship with a friend or randoms, And complete it, You don't have to win but you do need to finish. Easy enough, just a bit time consuming. Set laps to minimum for easyness.

Thank you for using and reading my guide, Hopefully you got what you needed!
Please thumbs up, Fave and comment to help eachother out!
Also feel free to check some of my other guides (They're not the best!)

Thanks , Much appreciation!
Justabit_Ginger <3

Notes:
25/08/18- Completed and published first copy.
26/08/18- Added more detail, Revised the "how to" on some achievements.